Finding the Fourth Proportional to 437,731.60, 657,115.80 and 434,621.20
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Solution
The fourth proportional to 437,731.60, 657,115.80 and 434,621.20 is: 652,446.52
Step by Step Solution
- Step 1: Write the proportion equation
437,731.60 : 657,115.80 = 434,621.20 : x - Step 2: Convert to fraction form
437,731.60/657,115.80 = 434,621.20/x - Step 3: Cross multiply
437,731.60x = 657,115.80 × 434,621.20 - Step 4: Simplify right side
437,731.60x = 285,596,457,534.96 - Step 5: Solve for x
x = 285,596,457,534.96/437,731.60 - Step 6: Final answer
x = 652,446.52
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.