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Finding the Fourth Proportional to 631,352.16, 871,251.48 and 344,873.52

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Solution

The fourth proportional to 631,352.16, 871,251.48 and 344,873.52 is: 475,917.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,352.16 : 871,251.48 = 344,873.52 : x
  2. Step 2: Convert to fraction form
    631,352.16/871,251.48 = 344,873.52/x
  3. Step 3: Cross multiply
    631,352.16x = 871,251.48 × 344,873.52
  4. Step 4: Simplify right side
    631,352.16x = 300,471,564,712.81
  5. Step 5: Solve for x
    x = 300,471,564,712.81/631,352.16
  6. Step 6: Final answer
    x = 475,917.54

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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.