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Finding the Fourth Proportional to 836,625.88, 1,255,021.71 and 267,863.86

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Solution

The fourth proportional to 836,625.88, 1,255,021.71 and 267,863.86 is: 401,822.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,625.88 : 1,255,021.71 = 267,863.86 : x
  2. Step 2: Convert to fraction form
    836,625.88/1,255,021.71 = 267,863.86/x
  3. Step 3: Cross multiply
    836,625.88x = 1,255,021.71 × 267,863.86
  4. Step 4: Simplify right side
    836,625.88x = 336,174,959,624.40
  5. Step 5: Solve for x
    x = 336,174,959,624.40/836,625.88
  6. Step 6: Final answer
    x = 401,822.33

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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.