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Finding the Fourth Proportional to 834,791.72, 1,251,924.78 and 273,695

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Solution

The fourth proportional to 834,791.72, 1,251,924.78 and 273,695 is: 410,456.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,791.72 : 1,251,924.78 = 273,695 : x
  2. Step 2: Convert to fraction form
    834,791.72/1,251,924.78 = 273,695/x
  3. Step 3: Cross multiply
    834,791.72x = 1,251,924.78 × 273,695
  4. Step 4: Simplify right side
    834,791.72x = 342,645,552,662.10
  5. Step 5: Solve for x
    x = 342,645,552,662.10/834,791.72
  6. Step 6: Final answer
    x = 410,456.34

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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.