Home / 987,853.97-1,481,608.71-277,713.20

Finding the Fourth Proportional to 987,853.97, 1,481,608.71 and 277,713.20

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Solution

The fourth proportional to 987,853.97, 1,481,608.71 and 277,713.20 is: 416,521.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,853.97 : 1,481,608.71 = 277,713.20 : x
  2. Step 2: Convert to fraction form
    987,853.97/1,481,608.71 = 277,713.20/x
  3. Step 3: Cross multiply
    987,853.97x = 1,481,608.71 × 277,713.20
  4. Step 4: Simplify right side
    987,853.97x = 411,462,288,593.93
  5. Step 5: Solve for x
    x = 411,462,288,593.93/987,853.97
  6. Step 6: Final answer
    x = 416,521.37

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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.