Home / 681,925.20-1,022,850.72-208,610.55

Finding the Fourth Proportional to 681,925.20, 1,022,850.72 and 208,610.55

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Solution

The fourth proportional to 681,925.20, 1,022,850.72 and 208,610.55 is: 312,904.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,925.20 : 1,022,850.72 = 208,610.55 : x
  2. Step 2: Convert to fraction form
    681,925.20/1,022,850.72 = 208,610.55/x
  3. Step 3: Cross multiply
    681,925.20x = 1,022,850.72 × 208,610.55
  4. Step 4: Simplify right side
    681,925.20x = 213,377,451,267.10
  5. Step 5: Solve for x
    x = 213,377,451,267.10/681,925.20
  6. Step 6: Final answer
    x = 312,904.48

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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.