Home / 836,877.78-1,255,245.39-331,301.25

Finding the Fourth Proportional to 836,877.78, 1,255,245.39 and 331,301.25

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Solution

The fourth proportional to 836,877.78, 1,255,245.39 and 331,301.25 is: 496,923.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,877.78 : 1,255,245.39 = 331,301.25 : x
  2. Step 2: Convert to fraction form
    836,877.78/1,255,245.39 = 331,301.25/x
  3. Step 3: Cross multiply
    836,877.78x = 1,255,245.39 × 331,301.25
  4. Step 4: Simplify right side
    836,877.78x = 415,864,366,763.74
  5. Step 5: Solve for x
    x = 415,864,366,763.74/836,877.78
  6. Step 6: Final answer
    x = 496,923.66

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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.