Home / 998,082.60-1,497,123.90-398,747.40

Finding the Fourth Proportional to 998,082.60, 1,497,123.90 and 398,747.40

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Solution

The fourth proportional to 998,082.60, 1,497,123.90 and 398,747.40 is: 598,121.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,082.60 : 1,497,123.90 = 398,747.40 : x
  2. Step 2: Convert to fraction form
    998,082.60/1,497,123.90 = 398,747.40/x
  3. Step 3: Cross multiply
    998,082.60x = 1,497,123.90 × 398,747.40
  4. Step 4: Simplify right side
    998,082.60x = 596,974,262,602.86
  5. Step 5: Solve for x
    x = 596,974,262,602.86/998,082.60
  6. Step 6: Final answer
    x = 598,121.10

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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.