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Finding the Fourth Proportional to 652,398.60, 978,363.12 and 225,818.52

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Solution

The fourth proportional to 652,398.60, 978,363.12 and 225,818.52 is: 338,646.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,398.60 : 978,363.12 = 225,818.52 : x
  2. Step 2: Convert to fraction form
    652,398.60/978,363.12 = 225,818.52/x
  3. Step 3: Cross multiply
    652,398.60x = 978,363.12 × 225,818.52
  4. Step 4: Simplify right side
    652,398.60x = 220,932,511,780.98
  5. Step 5: Solve for x
    x = 220,932,511,780.98/652,398.60
  6. Step 6: Final answer
    x = 338,646.51

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.