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Finding the Fourth Proportional to 632,701.52, 873,350.28 and 391,169.36

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Solution

The fourth proportional to 632,701.52, 873,350.28 and 391,169.36 is: 539,951.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,701.52 : 873,350.28 = 391,169.36 : x
  2. Step 2: Convert to fraction form
    632,701.52/873,350.28 = 391,169.36/x
  3. Step 3: Cross multiply
    632,701.52x = 873,350.28 × 391,169.36
  4. Step 4: Simplify right side
    632,701.52x = 341,627,870,083.42
  5. Step 5: Solve for x
    x = 341,627,870,083.42/632,701.52
  6. Step 6: Final answer
    x = 539,951.08

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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.