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Finding the Fourth Proportional to 636,801.60, 878,793.48 and 364,864.02

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Solution

The fourth proportional to 636,801.60, 878,793.48 and 364,864.02 is: 503,516.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,801.60 : 878,793.48 = 364,864.02 : x
  2. Step 2: Convert to fraction form
    636,801.60/878,793.48 = 364,864.02/x
  3. Step 3: Cross multiply
    636,801.60x = 878,793.48 × 364,864.02
  4. Step 4: Simplify right side
    636,801.60x = 320,640,121,862.59
  5. Step 5: Solve for x
    x = 320,640,121,862.59/636,801.60
  6. Step 6: Final answer
    x = 503,516.51

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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.