Finding the Fourth Proportional to 516,960.06, 713,397.87 and 287,515.14
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Solution
The fourth proportional to 516,960.06, 713,397.87 and 287,515.14 is: 396,766.99
Step by Step Solution
- Step 1: Write the proportion equation
516,960.06 : 713,397.87 = 287,515.14 : x - Step 2: Convert to fraction form
516,960.06/713,397.87 = 287,515.14/x - Step 3: Cross multiply
516,960.06x = 713,397.87 × 287,515.14 - Step 4: Simplify right side
516,960.06x = 205,112,688,468.75 - Step 5: Solve for x
x = 205,112,688,468.75/516,960.06 - Step 6: Final answer
x = 396,766.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.