Home / 987,294.13-1,480,998.62-277,377.54

Finding the Fourth Proportional to 987,294.13, 1,480,998.62 and 277,377.54

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Solution

The fourth proportional to 987,294.13, 1,480,998.62 and 277,377.54 is: 416,082.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,294.13 : 1,480,998.62 = 277,377.54 : x
  2. Step 2: Convert to fraction form
    987,294.13/1,480,998.62 = 277,377.54/x
  3. Step 3: Cross multiply
    987,294.13x = 1,480,998.62 × 277,377.54
  4. Step 4: Simplify right side
    987,294.13x = 410,795,753,959.00
  5. Step 5: Solve for x
    x = 410,795,753,959.00/987,294.13
  6. Step 6: Final answer
    x = 416,082.44

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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.