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Finding the Fourth Proportional to 800,635.82, 1,203,834.42 and 738,219.52

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Solution

The fourth proportional to 800,635.82, 1,203,834.42 and 738,219.52 is: 1,109,985.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,635.82 : 1,203,834.42 = 738,219.52 : x
  2. Step 2: Convert to fraction form
    800,635.82/1,203,834.42 = 738,219.52/x
  3. Step 3: Cross multiply
    800,635.82x = 1,203,834.42 × 738,219.52
  4. Step 4: Simplify right side
    800,635.82x = 888,694,067,691.88
  5. Step 5: Solve for x
    x = 888,694,067,691.88/800,635.82
  6. Step 6: Final answer
    x = 1,109,985.40

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Why These Related Problems?

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