Home / 971,165.30-1,340,213.73-541,472.18

Finding the Fourth Proportional to 971,165.30, 1,340,213.73 and 541,472.18

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Solution

The fourth proportional to 971,165.30, 1,340,213.73 and 541,472.18 is: 747,234.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,165.30 : 1,340,213.73 = 541,472.18 : x
  2. Step 2: Convert to fraction form
    971,165.30/1,340,213.73 = 541,472.18/x
  3. Step 3: Cross multiply
    971,165.30x = 1,340,213.73 × 541,472.18
  4. Step 4: Simplify right side
    971,165.30x = 725,688,450,049.03
  5. Step 5: Solve for x
    x = 725,688,450,049.03/971,165.30
  6. Step 6: Final answer
    x = 747,234.74

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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.