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Finding the Fourth Proportional to 631,932.73, 871,854.25 and 359,808.16

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Solution

The fourth proportional to 631,932.73, 871,854.25 and 359,808.16 is: 496,414.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,932.73 : 871,854.25 = 359,808.16 : x
  2. Step 2: Convert to fraction form
    631,932.73/871,854.25 = 359,808.16/x
  3. Step 3: Cross multiply
    631,932.73x = 871,854.25 × 359,808.16
  4. Step 4: Simplify right side
    631,932.73x = 313,700,273,480.68
  5. Step 5: Solve for x
    x = 313,700,273,480.68/631,932.73
  6. Step 6: Final answer
    x = 496,414.03

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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.