Home / 474,789.11-655,205.81-259,932.78

Finding the Fourth Proportional to 474,789.11, 655,205.81 and 259,932.78

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Solution

The fourth proportional to 474,789.11, 655,205.81 and 259,932.78 is: 358,705.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,789.11 : 655,205.81 = 259,932.78 : x
  2. Step 2: Convert to fraction form
    474,789.11/655,205.81 = 259,932.78/x
  3. Step 3: Cross multiply
    474,789.11x = 655,205.81 × 259,932.78
  4. Step 4: Simplify right side
    474,789.11x = 170,309,466,365.79
  5. Step 5: Solve for x
    x = 170,309,466,365.79/474,789.11
  6. Step 6: Final answer
    x = 358,705.51

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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.