Home / 971,712.52-1,340,959.78-541,992.31

Finding the Fourth Proportional to 971,712.52, 1,340,959.78 and 541,992.31

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Solution

The fourth proportional to 971,712.52, 1,340,959.78 and 541,992.31 is: 747,947.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,712.52 : 1,340,959.78 = 541,992.31 : x
  2. Step 2: Convert to fraction form
    971,712.52/1,340,959.78 = 541,992.31/x
  3. Step 3: Cross multiply
    971,712.52x = 1,340,959.78 × 541,992.31
  4. Step 4: Simplify right side
    971,712.52x = 726,789,888,779.29
  5. Step 5: Solve for x
    x = 726,789,888,779.29/971,712.52
  6. Step 6: Final answer
    x = 747,947.44

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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.