Home / 979,445.80-1,469,082.30-269,410.60

Finding the Fourth Proportional to 979,445.80, 1,469,082.30 and 269,410.60

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Solution

The fourth proportional to 979,445.80, 1,469,082.30 and 269,410.60 is: 404,092.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,445.80 : 1,469,082.30 = 269,410.60 : x
  2. Step 2: Convert to fraction form
    979,445.80/1,469,082.30 = 269,410.60/x
  3. Step 3: Cross multiply
    979,445.80x = 1,469,082.30 × 269,410.60
  4. Step 4: Simplify right side
    979,445.80x = 395,786,343,892.38
  5. Step 5: Solve for x
    x = 395,786,343,892.38/979,445.80
  6. Step 6: Final answer
    x = 404,092.13

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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.