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Finding the Fourth Proportional to 488,753.10, 732,473.55 and 348,347.70

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Solution

The fourth proportional to 488,753.10, 732,473.55 and 348,347.70 is: 522,053.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,753.10 : 732,473.55 = 348,347.70 : x
  2. Step 2: Convert to fraction form
    488,753.10/732,473.55 = 348,347.70/x
  3. Step 3: Cross multiply
    488,753.10x = 732,473.55 × 348,347.70
  4. Step 4: Simplify right side
    488,753.10x = 255,155,476,453.34
  5. Step 5: Solve for x
    x = 255,155,476,453.34/488,753.10
  6. Step 6: Final answer
    x = 522,053.93

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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.