Home / 468,942.72-647,125.88-267,738.72

Finding the Fourth Proportional to 468,942.72, 647,125.88 and 267,738.72

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Solution

The fourth proportional to 468,942.72, 647,125.88 and 267,738.72 is: 369,470.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,942.72 : 647,125.88 = 267,738.72 : x
  2. Step 2: Convert to fraction form
    468,942.72/647,125.88 = 267,738.72/x
  3. Step 3: Cross multiply
    468,942.72x = 647,125.88 × 267,738.72
  4. Step 4: Simplify right side
    468,942.72x = 173,260,654,790.07
  5. Step 5: Solve for x
    x = 173,260,654,790.07/468,942.72
  6. Step 6: Final answer
    x = 369,470.83

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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.