Question

600:450 and 4:3 why is it equivalant

Answer 1

Because 600:450 is the same as 4:3 because divide 600 by 150=4
And 450 divide by 150=3 which makes them equivalent

Answer 2

600 ÷ 4 = 150

450 ÷ 3 = 150

The same thing either way.

They are considered proportional ratios