Home / 987,367.87-1,481,102.61-277,451.29

Finding the Fourth Proportional to 987,367.87, 1,481,102.61 and 277,451.29

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Solution

The fourth proportional to 987,367.87, 1,481,102.61 and 277,451.29 is: 416,191.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,367.87 : 1,481,102.61 = 277,451.29 : x
  2. Step 2: Convert to fraction form
    987,367.87/1,481,102.61 = 277,451.29/x
  3. Step 3: Cross multiply
    987,367.87x = 1,481,102.61 × 277,451.29
  4. Step 4: Simplify right side
    987,367.87x = 410,933,829,766.87
  5. Step 5: Solve for x
    x = 410,933,829,766.87/987,367.87
  6. Step 6: Final answer
    x = 416,191.21

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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.