Home / 998,034.30-1,497,270.15-324,000.90

Finding the Fourth Proportional to 998,034.30, 1,497,270.15 and 324,000.90

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Solution

The fourth proportional to 998,034.30, 1,497,270.15 and 324,000.90 is: 486,072.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,034.30 : 1,497,270.15 = 324,000.90 : x
  2. Step 2: Convert to fraction form
    998,034.30/1,497,270.15 = 324,000.90/x
  3. Step 3: Cross multiply
    998,034.30x = 1,497,270.15 × 324,000.90
  4. Step 4: Simplify right side
    998,034.30x = 485,116,876,143.14
  5. Step 5: Solve for x
    x = 485,116,876,143.14/998,034.30
  6. Step 6: Final answer
    x = 486,072.35

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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.