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Finding the Fourth Proportional to 632,246.71, 872,498.58 and 341,856.21

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Solution

The fourth proportional to 632,246.71, 872,498.58 and 341,856.21 is: 471,760.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,246.71 : 872,498.58 = 341,856.21 : x
  2. Step 2: Convert to fraction form
    632,246.71/872,498.58 = 341,856.21/x
  3. Step 3: Cross multiply
    632,246.71x = 872,498.58 × 341,856.21
  4. Step 4: Simplify right side
    632,246.71x = 298,269,057,789.18
  5. Step 5: Solve for x
    x = 298,269,057,789.18/632,246.71
  6. Step 6: Final answer
    x = 471,760.55

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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.