Home / 804,439.76-1,207,168.32-449,686.80

Finding the Fourth Proportional to 804,439.76, 1,207,168.32 and 449,686.80

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Solution

The fourth proportional to 804,439.76, 1,207,168.32 and 449,686.80 is: 674,814.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,439.76 : 1,207,168.32 = 449,686.80 : x
  2. Step 2: Convert to fraction form
    804,439.76/1,207,168.32 = 449,686.80/x
  3. Step 3: Cross multiply
    804,439.76x = 1,207,168.32 × 449,686.80
  4. Step 4: Simplify right side
    804,439.76x = 542,847,658,882.18
  5. Step 5: Solve for x
    x = 542,847,658,882.18/804,439.76
  6. Step 6: Final answer
    x = 674,814.56

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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.