Home / 681,876.50-1,022,855.76-208,565.96

Finding the Fourth Proportional to 681,876.50, 1,022,855.76 and 208,565.96

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Solution

The fourth proportional to 681,876.50, 1,022,855.76 and 208,565.96 is: 312,861.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,876.50 : 1,022,855.76 = 208,565.96 : x
  2. Step 2: Convert to fraction form
    681,876.50/1,022,855.76 = 208,565.96/x
  3. Step 3: Cross multiply
    681,876.50x = 1,022,855.76 × 208,565.96
  4. Step 4: Simplify right side
    681,876.50x = 213,332,892,483.10
  5. Step 5: Solve for x
    x = 213,332,892,483.10/681,876.50
  6. Step 6: Final answer
    x = 312,861.48

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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.