Finding the Fourth Proportional to 531,691.92, 733,708.98 and 316,827.18
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Solution
The fourth proportional to 531,691.92, 733,708.98 and 316,827.18 is: 437,206.09
Step by Step Solution
- Step 1: Write the proportion equation
531,691.92 : 733,708.98 = 316,827.18 : x - Step 2: Convert to fraction form
531,691.92/733,708.98 = 316,827.18/x - Step 3: Cross multiply
531,691.92x = 733,708.98 × 316,827.18 - Step 4: Simplify right side
531,691.92x = 232,458,947,074.08 - Step 5: Solve for x
x = 232,458,947,074.08/531,691.92 - Step 6: Final answer
x = 437,206.09
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.