Finding the Fourth Proportional to 437,566.20, 656,349.30 and 408,041.70
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Solution
The fourth proportional to 437,566.20, 656,349.30 and 408,041.70 is: 612,062.55
Step by Step Solution
- Step 1: Write the proportion equation
437,566.20 : 656,349.30 = 408,041.70 : x - Step 2: Convert to fraction form
437,566.20/656,349.30 = 408,041.70/x - Step 3: Cross multiply
437,566.20x = 656,349.30 × 408,041.70 - Step 4: Simplify right side
437,566.20x = 267,817,884,165.81 - Step 5: Solve for x
x = 267,817,884,165.81/437,566.20 - Step 6: Final answer
x = 612,062.55
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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.