Home / 681,876.44-1,022,855.66-208,565.90

Finding the Fourth Proportional to 681,876.44, 1,022,855.66 and 208,565.90

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Solution

The fourth proportional to 681,876.44, 1,022,855.66 and 208,565.90 is: 312,861.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,876.44 : 1,022,855.66 = 208,565.90 : x
  2. Step 2: Convert to fraction form
    681,876.44/1,022,855.66 = 208,565.90/x
  3. Step 3: Cross multiply
    681,876.44x = 1,022,855.66 × 208,565.90
  4. Step 4: Simplify right side
    681,876.44x = 213,332,811,297.99
  5. Step 5: Solve for x
    x = 213,332,811,297.99/681,876.44
  6. Step 6: Final answer
    x = 312,861.39

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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.