Home / 987,255.17-1,480,938.16-277,227.85

Finding the Fourth Proportional to 987,255.17, 1,480,938.16 and 277,227.85

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Solution

The fourth proportional to 987,255.17, 1,480,938.16 and 277,227.85 is: 415,857.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,255.17 : 1,480,938.16 = 277,227.85 : x
  2. Step 2: Convert to fraction form
    987,255.17/1,480,938.16 = 277,227.85/x
  3. Step 3: Cross multiply
    987,255.17x = 1,480,938.16 × 277,227.85
  4. Step 4: Simplify right side
    987,255.17x = 410,557,300,693.62
  5. Step 5: Solve for x
    x = 410,557,300,693.62/987,255.17
  6. Step 6: Final answer
    x = 415,857.33

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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.