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Finding the Fourth Proportional to 663,728.24, 995,592.92 and 284,402.91

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Solution

The fourth proportional to 663,728.24, 995,592.92 and 284,402.91 is: 426,604.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,728.24 : 995,592.92 = 284,402.91 : x
  2. Step 2: Convert to fraction form
    663,728.24/995,592.92 = 284,402.91/x
  3. Step 3: Cross multiply
    663,728.24x = 995,592.92 × 284,402.91
  4. Step 4: Simplify right side
    663,728.24x = 283,149,522,201.38
  5. Step 5: Solve for x
    x = 283,149,522,201.38/663,728.24
  6. Step 6: Final answer
    x = 426,604.61

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.