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Finding the Fourth Proportional to 888,473.76, 1,332,309.96 and 439,019.40

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Solution

The fourth proportional to 888,473.76, 1,332,309.96 and 439,019.40 is: 658,331.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,473.76 : 1,332,309.96 = 439,019.40 : x
  2. Step 2: Convert to fraction form
    888,473.76/1,332,309.96 = 439,019.40/x
  3. Step 3: Cross multiply
    888,473.76x = 1,332,309.96 × 439,019.40
  4. Step 4: Simplify right side
    888,473.76x = 584,909,919,253.22
  5. Step 5: Solve for x
    x = 584,909,919,253.22/888,473.76
  6. Step 6: Final answer
    x = 658,331.11

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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.