Home / 987,773.10-1,481,724.45-277,824.30

Finding the Fourth Proportional to 987,773.10, 1,481,724.45 and 277,824.30

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Solution

The fourth proportional to 987,773.10, 1,481,724.45 and 277,824.30 is: 416,754.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,773.10 : 1,481,724.45 = 277,824.30 : x
  2. Step 2: Convert to fraction form
    987,773.10/1,481,724.45 = 277,824.30/x
  3. Step 3: Cross multiply
    987,773.10x = 1,481,724.45 × 277,824.30
  4. Step 4: Simplify right side
    987,773.10x = 411,659,058,114.14
  5. Step 5: Solve for x
    x = 411,659,058,114.14/987,773.10
  6. Step 6: Final answer
    x = 416,754.68

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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.