Home / 971,711.28-1,340,958.06-541,991.07

Finding the Fourth Proportional to 971,711.28, 1,340,958.06 and 541,991.07

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Solution

The fourth proportional to 971,711.28, 1,340,958.06 and 541,991.07 is: 747,945.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,711.28 : 1,340,958.06 = 541,991.07 : x
  2. Step 2: Convert to fraction form
    971,711.28/1,340,958.06 = 541,991.07/x
  3. Step 3: Cross multiply
    971,711.28x = 1,340,958.06 × 541,991.07
  4. Step 4: Simplify right side
    971,711.28x = 726,787,293,764.52
  5. Step 5: Solve for x
    x = 726,787,293,764.52/971,711.28
  6. Step 6: Final answer
    x = 747,945.72

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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.