Home / 658,264.13-908,404.49-356,458.13

Finding the Fourth Proportional to 658,264.13, 908,404.49 and 356,458.13

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Solution

The fourth proportional to 658,264.13, 908,404.49 and 356,458.13 is: 491,912.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,264.13 : 908,404.49 = 356,458.13 : x
  2. Step 2: Convert to fraction form
    658,264.13/908,404.49 = 356,458.13/x
  3. Step 3: Cross multiply
    658,264.13x = 908,404.49 × 356,458.13
  4. Step 4: Simplify right side
    658,264.13x = 323,808,165,789.00
  5. Step 5: Solve for x
    x = 323,808,165,789.00/658,264.13
  6. Step 6: Final answer
    x = 491,912.21

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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.