Finding the Fourth Proportional to 523,101.92, 721,694.79 and 341,918.28
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Solution
The fourth proportional to 523,101.92, 721,694.79 and 341,918.28 is: 471,725.75
Step by Step Solution
- Step 1: Write the proportion equation
523,101.92 : 721,694.79 = 341,918.28 : x - Step 2: Convert to fraction form
523,101.92/721,694.79 = 341,918.28/x - Step 3: Cross multiply
523,101.92x = 721,694.79 × 341,918.28 - Step 4: Simplify right side
523,101.92x = 246,760,641,281.76 - Step 5: Solve for x
x = 246,760,641,281.76/523,101.92 - Step 6: Final answer
x = 471,725.75
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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.