Home / 676,960.47-1,013,826.57-392,049.04

Finding the Fourth Proportional to 676,960.47, 1,013,826.57 and 392,049.04

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Solution

The fourth proportional to 676,960.47, 1,013,826.57 and 392,049.04 is: 587,138.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,960.47 : 1,013,826.57 = 392,049.04 : x
  2. Step 2: Convert to fraction form
    676,960.47/1,013,826.57 = 392,049.04/x
  3. Step 3: Cross multiply
    676,960.47x = 1,013,826.57 × 392,049.04
  4. Step 4: Simplify right side
    676,960.47x = 397,469,733,494.99
  5. Step 5: Solve for x
    x = 397,469,733,494.99/676,960.47
  6. Step 6: Final answer
    x = 587,138.76

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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.