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Finding the Fourth Proportional to 631,367.83, 871,255.04 and 344,832.56

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Solution

The fourth proportional to 631,367.83, 871,255.04 and 344,832.56 is: 475,851.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,367.83 : 871,255.04 = 344,832.56 : x
  2. Step 2: Convert to fraction form
    631,367.83/871,255.04 = 344,832.56/x
  3. Step 3: Cross multiply
    631,367.83x = 871,255.04 × 344,832.56
  4. Step 4: Simplify right side
    631,367.83x = 300,437,103,042.87
  5. Step 5: Solve for x
    x = 300,437,103,042.87/631,367.83
  6. Step 6: Final answer
    x = 475,851.14

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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.