Finding the Fourth Proportional to 437,480.80, 656,221.20 and 374,495.20
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Solution
The fourth proportional to 437,480.80, 656,221.20 and 374,495.20 is: 561,742.80
Step by Step Solution
- Step 1: Write the proportion equation
437,480.80 : 656,221.20 = 374,495.20 : x - Step 2: Convert to fraction form
437,480.80/656,221.20 = 374,495.20/x - Step 3: Cross multiply
437,480.80x = 656,221.20 × 374,495.20 - Step 4: Simplify right side
437,480.80x = 245,751,689,538.24 - Step 5: Solve for x
x = 245,751,689,538.24/437,480.80 - Step 6: Final answer
x = 561,742.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.