Home / 951,285.32-1,312,834.53-628,429.44

Finding the Fourth Proportional to 951,285.32, 1,312,834.53 and 628,429.44

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Solution

The fourth proportional to 951,285.32, 1,312,834.53 and 628,429.44 is: 867,272.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,285.32 : 1,312,834.53 = 628,429.44 : x
  2. Step 2: Convert to fraction form
    951,285.32/1,312,834.53 = 628,429.44/x
  3. Step 3: Cross multiply
    951,285.32x = 1,312,834.53 × 628,429.44
  4. Step 4: Simplify right side
    951,285.32x = 825,023,868,500.56
  5. Step 5: Solve for x
    x = 825,023,868,500.56/951,285.32
  6. Step 6: Final answer
    x = 867,272.79

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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.