Finding the Fourth Proportional to 437,906.70, 656,860.05 and 432,001.80
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Solution
The fourth proportional to 437,906.70, 656,860.05 and 432,001.80 is: 648,002.70
Step by Step Solution
- Step 1: Write the proportion equation
437,906.70 : 656,860.05 = 432,001.80 : x - Step 2: Convert to fraction form
437,906.70/656,860.05 = 432,001.80/x - Step 3: Cross multiply
437,906.70x = 656,860.05 × 432,001.80 - Step 4: Simplify right side
437,906.70x = 283,764,723,948.09 - Step 5: Solve for x
x = 283,764,723,948.09/437,906.70 - Step 6: Final answer
x = 648,002.70
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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.