Home / 331,067.20-497,637.60-324,846.40

Finding the Fourth Proportional to 331,067.20, 497,637.60 and 324,846.40

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Solution

The fourth proportional to 331,067.20, 497,637.60 and 324,846.40 is: 488,286.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,067.20 : 497,637.60 = 324,846.40 : x
  2. Step 2: Convert to fraction form
    331,067.20/497,637.60 = 324,846.40/x
  3. Step 3: Cross multiply
    331,067.20x = 497,637.60 × 324,846.40
  4. Step 4: Simplify right side
    331,067.20x = 161,655,782,864.64
  5. Step 5: Solve for x
    x = 161,655,782,864.64/331,067.20
  6. Step 6: Final answer
    x = 488,286.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.