Home / 987,773.60-1,481,725.20-277,824.80

Finding the Fourth Proportional to 987,773.60, 1,481,725.20 and 277,824.80

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Solution

The fourth proportional to 987,773.60, 1,481,725.20 and 277,824.80 is: 416,755.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,773.60 : 1,481,725.20 = 277,824.80 : x
  2. Step 2: Convert to fraction form
    987,773.60/1,481,725.20 = 277,824.80/x
  3. Step 3: Cross multiply
    987,773.60x = 1,481,725.20 × 277,824.80
  4. Step 4: Simplify right side
    987,773.60x = 411,660,007,344.96
  5. Step 5: Solve for x
    x = 411,660,007,344.96/987,773.60
  6. Step 6: Final answer
    x = 416,755.43

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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.