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Finding the Fourth Proportional to 635,840, 954,197.44 and 261,863.04

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Solution

The fourth proportional to 635,840, 954,197.44 and 261,863.04 is: 392,974.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,840 : 954,197.44 = 261,863.04 : x
  2. Step 2: Convert to fraction form
    635,840/954,197.44 = 261,863.04/x
  3. Step 3: Cross multiply
    635,840x = 954,197.44 × 261,863.04
  4. Step 4: Simplify right side
    635,840x = 249,869,042,398.62
  5. Step 5: Solve for x
    x = 249,869,042,398.62/635,840
  6. Step 6: Final answer
    x = 392,974.71

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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.