Home / 836,397.62-1,255,013.27-331,322.66

Finding the Fourth Proportional to 836,397.62, 1,255,013.27 and 331,322.66

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Solution

The fourth proportional to 836,397.62, 1,255,013.27 and 331,322.66 is: 497,149.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,397.62 : 1,255,013.27 = 331,322.66 : x
  2. Step 2: Convert to fraction form
    836,397.62/1,255,013.27 = 331,322.66/x
  3. Step 3: Cross multiply
    836,397.62x = 1,255,013.27 × 331,322.66
  4. Step 4: Simplify right side
    836,397.62x = 415,814,333,295.09
  5. Step 5: Solve for x
    x = 415,814,333,295.09/836,397.62
  6. Step 6: Final answer
    x = 497,149.11

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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.