Home / 987,900.88-1,481,679.60-277,760.38

Finding the Fourth Proportional to 987,900.88, 1,481,679.60 and 277,760.38

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Solution

The fourth proportional to 987,900.88, 1,481,679.60 and 277,760.38 is: 416,592.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,900.88 : 1,481,679.60 = 277,760.38 : x
  2. Step 2: Convert to fraction form
    987,900.88/1,481,679.60 = 277,760.38/x
  3. Step 3: Cross multiply
    987,900.88x = 1,481,679.60 × 277,760.38
  4. Step 4: Simplify right side
    987,900.88x = 411,551,888,734.25
  5. Step 5: Solve for x
    x = 411,551,888,734.25/987,900.88
  6. Step 6: Final answer
    x = 416,592.29

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1.5x scale

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.