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Finding the Fourth Proportional to 636,410.52, 878,239.36 and 473,794.12

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Solution

The fourth proportional to 636,410.52, 878,239.36 and 473,794.12 is: 653,830.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,410.52 : 878,239.36 = 473,794.12 : x
  2. Step 2: Convert to fraction form
    636,410.52/878,239.36 = 473,794.12/x
  3. Step 3: Cross multiply
    636,410.52x = 878,239.36 × 473,794.12
  4. Step 4: Simplify right side
    636,410.52x = 416,104,644,720.56
  5. Step 5: Solve for x
    x = 416,104,644,720.56/636,410.52
  6. Step 6: Final answer
    x = 653,830.56

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.