Home / 739,898.10-1,108,644.30-669,039.30

Finding the Fourth Proportional to 739,898.10, 1,108,644.30 and 669,039.30

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Solution

The fourth proportional to 739,898.10, 1,108,644.30 and 669,039.30 is: 1,002,471.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,898.10 : 1,108,644.30 = 669,039.30 : x
  2. Step 2: Convert to fraction form
    739,898.10/1,108,644.30 = 669,039.30/x
  3. Step 3: Cross multiply
    739,898.10x = 1,108,644.30 × 669,039.30
  4. Step 4: Simplify right side
    739,898.10x = 741,726,606,420.99
  5. Step 5: Solve for x
    x = 741,726,606,420.99/739,898.10
  6. Step 6: Final answer
    x = 1,002,471.29

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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.