Home / 695,305.60-1,043,121.14-215,508.33

Finding the Fourth Proportional to 695,305.60, 1,043,121.14 and 215,508.33

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Solution

The fourth proportional to 695,305.60, 1,043,121.14 and 215,508.33 is: 323,312.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,305.60 : 1,043,121.14 = 215,508.33 : x
  2. Step 2: Convert to fraction form
    695,305.60/1,043,121.14 = 215,508.33/x
  3. Step 3: Cross multiply
    695,305.60x = 1,043,121.14 × 215,508.33
  4. Step 4: Simplify right side
    695,305.60x = 224,801,294,869.10
  5. Step 5: Solve for x
    x = 224,801,294,869.10/695,305.60
  6. Step 6: Final answer
    x = 323,312.94

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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.