Home / 747,652.80-1,115,757.67-667,871.04

Finding the Fourth Proportional to 747,652.80, 1,115,757.67 and 667,871.04

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Solution

The fourth proportional to 747,652.80, 1,115,757.67 and 667,871.04 is: 996,695.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,652.80 : 1,115,757.67 = 667,871.04 : x
  2. Step 2: Convert to fraction form
    747,652.80/1,115,757.67 = 667,871.04/x
  3. Step 3: Cross multiply
    747,652.80x = 1,115,757.67 × 667,871.04
  4. Step 4: Simplify right side
    747,652.80x = 745,182,235,450.88
  5. Step 5: Solve for x
    x = 745,182,235,450.88/747,652.80
  6. Step 6: Final answer
    x = 996,695.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.