Home / 681,937.20-1,022,868.82-208,622.60

Finding the Fourth Proportional to 681,937.20, 1,022,868.82 and 208,622.60

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Solution

The fourth proportional to 681,937.20, 1,022,868.82 and 208,622.60 is: 312,922.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,937.20 : 1,022,868.82 = 208,622.60 : x
  2. Step 2: Convert to fraction form
    681,937.20/1,022,868.82 = 208,622.60/x
  3. Step 3: Cross multiply
    681,937.20x = 1,022,868.82 × 208,622.60
  4. Step 4: Simplify right side
    681,937.20x = 213,393,552,687.33
  5. Step 5: Solve for x
    x = 213,393,552,687.33/681,937.20
  6. Step 6: Final answer
    x = 312,922.59

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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.