Home / 987,769.26-1,481,486.22-277,630.38

Finding the Fourth Proportional to 987,769.26, 1,481,486.22 and 277,630.38

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Solution

The fourth proportional to 987,769.26, 1,481,486.22 and 277,630.38 is: 416,398.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,769.26 : 1,481,486.22 = 277,630.38 : x
  2. Step 2: Convert to fraction form
    987,769.26/1,481,486.22 = 277,630.38/x
  3. Step 3: Cross multiply
    987,769.26x = 1,481,486.22 × 277,630.38
  4. Step 4: Simplify right side
    987,769.26x = 411,305,582,223.36
  5. Step 5: Solve for x
    x = 411,305,582,223.36/987,769.26
  6. Step 6: Final answer
    x = 416,398.44

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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.