Finding the Fourth Proportional to 657,056.67, 985,691.52 and 257,480.79
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Solution
The fourth proportional to 657,056.67, 985,691.52 and 257,480.79 is: 386,262.93
Step by Step Solution
- Step 1: Write the proportion equation
657,056.67 : 985,691.52 = 257,480.79 : x - Step 2: Convert to fraction form
657,056.67/985,691.52 = 257,480.79/x - Step 3: Cross multiply
657,056.67x = 985,691.52 × 257,480.79 - Step 4: Simplify right side
657,056.67x = 253,796,631,265.90 - Step 5: Solve for x
x = 253,796,631,265.90/657,056.67 - Step 6: Final answer
x = 386,262.93
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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.