Home / 631,268.25-871,150.17-344,789.02

Finding the Fourth Proportional to 631,268.25, 871,150.17 and 344,789.02

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Solution

The fourth proportional to 631,268.25, 871,150.17 and 344,789.02 is: 475,808.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,268.25 : 871,150.17 = 344,789.02 : x
  2. Step 2: Convert to fraction form
    631,268.25/871,150.17 = 344,789.02/x
  3. Step 3: Cross multiply
    631,268.25x = 871,150.17 × 344,789.02
  4. Step 4: Simplify right side
    631,268.25x = 300,363,013,387.13
  5. Step 5: Solve for x
    x = 300,363,013,387.13/631,268.25
  6. Step 6: Final answer
    x = 475,808.84

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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.