Home / 781,760.79-1,172,813.31-444,959.96

Finding the Fourth Proportional to 781,760.79, 1,172,813.31 and 444,959.96

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Solution

The fourth proportional to 781,760.79, 1,172,813.31 and 444,959.96 is: 667,537.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,760.79 : 1,172,813.31 = 444,959.96 : x
  2. Step 2: Convert to fraction form
    781,760.79/1,172,813.31 = 444,959.96/x
  3. Step 3: Cross multiply
    781,760.79x = 1,172,813.31 × 444,959.96
  4. Step 4: Simplify right side
    781,760.79x = 521,854,957,641.00
  5. Step 5: Solve for x
    x = 521,854,957,641.00/781,760.79
  6. Step 6: Final answer
    x = 667,537.90

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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.