Home / 971,688.28-1,340,932.16-541,996.24

Finding the Fourth Proportional to 971,688.28, 1,340,932.16 and 541,996.24

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Solution

The fourth proportional to 971,688.28, 1,340,932.16 and 541,996.24 is: 747,956.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,688.28 : 1,340,932.16 = 541,996.24 : x
  2. Step 2: Convert to fraction form
    971,688.28/1,340,932.16 = 541,996.24/x
  3. Step 3: Cross multiply
    971,688.28x = 1,340,932.16 × 541,996.24
  4. Step 4: Simplify right side
    971,688.28x = 726,780,188,815.08
  5. Step 5: Solve for x
    x = 726,780,188,815.08/971,688.28
  6. Step 6: Final answer
    x = 747,956.11

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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.