Home / 971,663.28-1,340,897.36-541,932.36

Finding the Fourth Proportional to 971,663.28, 1,340,897.36 and 541,932.36

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Solution

The fourth proportional to 971,663.28, 1,340,897.36 and 541,932.36 is: 747,867.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,663.28 : 1,340,897.36 = 541,932.36 : x
  2. Step 2: Convert to fraction form
    971,663.28/1,340,897.36 = 541,932.36/x
  3. Step 3: Cross multiply
    971,663.28x = 1,340,897.36 × 541,932.36
  4. Step 4: Simplify right side
    971,663.28x = 726,675,670,822.57
  5. Step 5: Solve for x
    x = 726,675,670,822.57/971,663.28
  6. Step 6: Final answer
    x = 747,867.79

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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.