Finding the Fourth Proportional to 437,562.20, 656,343.30 and 408,037.70
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Solution
The fourth proportional to 437,562.20, 656,343.30 and 408,037.70 is: 612,056.55
Step by Step Solution
- Step 1: Write the proportion equation
437,562.20 : 656,343.30 = 408,037.70 : x - Step 2: Convert to fraction form
437,562.20/656,343.30 = 408,037.70/x - Step 3: Cross multiply
437,562.20x = 656,343.30 × 408,037.70 - Step 4: Simplify right side
437,562.20x = 267,812,810,542.41 - Step 5: Solve for x
x = 267,812,810,542.41/437,562.20 - Step 6: Final answer
x = 612,056.55
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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.