Home / 980,115.96-1,469,793.24-380,997.84

Finding the Fourth Proportional to 980,115.96, 1,469,793.24 and 380,997.84

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Solution

The fourth proportional to 980,115.96, 1,469,793.24 and 380,997.84 is: 571,348.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,115.96 : 1,469,793.24 = 380,997.84 : x
  2. Step 2: Convert to fraction form
    980,115.96/1,469,793.24 = 380,997.84/x
  3. Step 3: Cross multiply
    980,115.96x = 1,469,793.24 × 380,997.84
  4. Step 4: Simplify right side
    980,115.96x = 559,988,049,686.60
  5. Step 5: Solve for x
    x = 559,988,049,686.60/980,115.96
  6. Step 6: Final answer
    x = 571,348.77

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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.