Home / 971,679.52-1,340,920.07-541,987.48

Finding the Fourth Proportional to 971,679.52, 1,340,920.07 and 541,987.48

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Solution

The fourth proportional to 971,679.52, 1,340,920.07 and 541,987.48 is: 747,944.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,679.52 : 1,340,920.07 = 541,987.48 : x
  2. Step 2: Convert to fraction form
    971,679.52/1,340,920.07 = 541,987.48/x
  3. Step 3: Cross multiply
    971,679.52x = 1,340,920.07 × 541,987.48
  4. Step 4: Simplify right side
    971,679.52x = 726,761,889,620.72
  5. Step 5: Solve for x
    x = 726,761,889,620.72/971,679.52
  6. Step 6: Final answer
    x = 747,944.02

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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.