Home / 396,761.04-597,869.10-328,176.72

Finding the Fourth Proportional to 396,761.04, 597,869.10 and 328,176.72

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Solution

The fourth proportional to 396,761.04, 597,869.10 and 328,176.72 is: 494,521.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,761.04 : 597,869.10 = 328,176.72 : x
  2. Step 2: Convert to fraction form
    396,761.04/597,869.10 = 328,176.72/x
  3. Step 3: Cross multiply
    396,761.04x = 597,869.10 × 328,176.72
  4. Step 4: Simplify right side
    396,761.04x = 196,206,720,227.35
  5. Step 5: Solve for x
    x = 196,206,720,227.35/396,761.04
  6. Step 6: Final answer
    x = 494,521.14

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.