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Finding the Fourth Proportional to 510,027.92, 703,443.12 and 328,769.36

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Solution

The fourth proportional to 510,027.92, 703,443.12 and 328,769.36 is: 453,446.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,027.92 : 703,443.12 = 328,769.36 : x
  2. Step 2: Convert to fraction form
    510,027.92/703,443.12 = 328,769.36/x
  3. Step 3: Cross multiply
    510,027.92x = 703,443.12 × 328,769.36
  4. Step 4: Simplify right side
    510,027.92x = 231,270,544,358.80
  5. Step 5: Solve for x
    x = 231,270,544,358.80/510,027.92
  6. Step 6: Final answer
    x = 453,446.83

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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.