Home / 951,274.53-1,312,819.65-628,418.66

Finding the Fourth Proportional to 951,274.53, 1,312,819.65 and 628,418.66

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Solution

The fourth proportional to 951,274.53, 1,312,819.65 and 628,418.66 is: 867,257.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,274.53 : 1,312,819.65 = 628,418.66 : x
  2. Step 2: Convert to fraction form
    951,274.53/1,312,819.65 = 628,418.66/x
  3. Step 3: Cross multiply
    951,274.53x = 1,312,819.65 × 628,418.66
  4. Step 4: Simplify right side
    951,274.53x = 825,000,358,710.57
  5. Step 5: Solve for x
    x = 825,000,358,710.57/951,274.53
  6. Step 6: Final answer
    x = 867,257.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.