Home / 971,712.78-1,340,960.13-541,992.57

Finding the Fourth Proportional to 971,712.78, 1,340,960.13 and 541,992.57

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Solution

The fourth proportional to 971,712.78, 1,340,960.13 and 541,992.57 is: 747,947.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,712.78 : 1,340,960.13 = 541,992.57 : x
  2. Step 2: Convert to fraction form
    971,712.78/1,340,960.13 = 541,992.57/x
  3. Step 3: Cross multiply
    971,712.78x = 1,340,960.13 × 541,992.57
  4. Step 4: Simplify right side
    971,712.78x = 726,790,427,126.23
  5. Step 5: Solve for x
    x = 726,790,427,126.23/971,712.78
  6. Step 6: Final answer
    x = 747,947.79

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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.