Finding the Fourth Proportional to 437,610.10, 656,415.15 and 372,291.70
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Solution
The fourth proportional to 437,610.10, 656,415.15 and 372,291.70 is: 558,437.55
Step by Step Solution
- Step 1: Write the proportion equation
437,610.10 : 656,415.15 = 372,291.70 : x - Step 2: Convert to fraction form
437,610.10/656,415.15 = 372,291.70/x - Step 3: Cross multiply
437,610.10x = 656,415.15 × 372,291.70 - Step 4: Simplify right side
437,610.10x = 244,377,912,099.26 - Step 5: Solve for x
x = 244,377,912,099.26/437,610.10 - Step 6: Final answer
x = 558,437.55
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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.