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Finding the Fourth Proportional to 513,481.66, 708,550.17 and 284,002.48

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Solution

The fourth proportional to 513,481.66, 708,550.17 and 284,002.48 is: 391,893.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,481.66 : 708,550.17 = 284,002.48 : x
  2. Step 2: Convert to fraction form
    513,481.66/708,550.17 = 284,002.48/x
  3. Step 3: Cross multiply
    513,481.66x = 708,550.17 × 284,002.48
  4. Step 4: Simplify right side
    513,481.66x = 201,230,005,484.42
  5. Step 5: Solve for x
    x = 201,230,005,484.42/513,481.66
  6. Step 6: Final answer
    x = 391,893.27

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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.