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Finding the Fourth Proportional to 658,613.92, 908,887.24 and 356,807.92

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Solution

The fourth proportional to 658,613.92, 908,887.24 and 356,807.92 is: 492,394.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,613.92 : 908,887.24 = 356,807.92 : x
  2. Step 2: Convert to fraction form
    658,613.92/908,887.24 = 356,807.92/x
  3. Step 3: Cross multiply
    658,613.92x = 908,887.24 × 356,807.92
  4. Step 4: Simplify right side
    658,613.92x = 324,298,165,618.94
  5. Step 5: Solve for x
    x = 324,298,165,618.94/658,613.92
  6. Step 6: Final answer
    x = 492,394.95

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1.5x scale

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.