Home / 762,150.47-1,051,691.85-439,964.36

Finding the Fourth Proportional to 762,150.47, 1,051,691.85 and 439,964.36

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Solution

The fourth proportional to 762,150.47, 1,051,691.85 and 439,964.36 is: 607,107.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,150.47 : 1,051,691.85 = 439,964.36 : x
  2. Step 2: Convert to fraction form
    762,150.47/1,051,691.85 = 439,964.36/x
  3. Step 3: Cross multiply
    762,150.47x = 1,051,691.85 × 439,964.36
  4. Step 4: Simplify right side
    762,150.47x = 462,706,930,387.85
  5. Step 5: Solve for x
    x = 462,706,930,387.85/762,150.47
  6. Step 6: Final answer
    x = 607,107.06

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Why These Related Problems?

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