Home / 631,375.20-871,316.52-344,900.04

Finding the Fourth Proportional to 631,375.20, 871,316.52 and 344,900.04

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Solution

The fourth proportional to 631,375.20, 871,316.52 and 344,900.04 is: 475,972.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,375.20 : 871,316.52 = 344,900.04 : x
  2. Step 2: Convert to fraction form
    631,375.20/871,316.52 = 344,900.04/x
  3. Step 3: Cross multiply
    631,375.20x = 871,316.52 × 344,900.04
  4. Step 4: Simplify right side
    631,375.20x = 300,517,102,600.66
  5. Step 5: Solve for x
    x = 300,517,102,600.66/631,375.20
  6. Step 6: Final answer
    x = 475,972.29

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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.