Home / 739,294.70-1,108,942.05-664,499.30

Finding the Fourth Proportional to 739,294.70, 1,108,942.05 and 664,499.30

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Solution

The fourth proportional to 739,294.70, 1,108,942.05 and 664,499.30 is: 996,748.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,294.70 : 1,108,942.05 = 664,499.30 : x
  2. Step 2: Convert to fraction form
    739,294.70/1,108,942.05 = 664,499.30/x
  3. Step 3: Cross multiply
    739,294.70x = 1,108,942.05 × 664,499.30
  4. Step 4: Simplify right side
    739,294.70x = 736,891,215,965.57
  5. Step 5: Solve for x
    x = 736,891,215,965.57/739,294.70
  6. Step 6: Final answer
    x = 996,748.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.