Home / 681,834.24-1,022,791.68-208,552.32

Finding the Fourth Proportional to 681,834.24, 1,022,791.68 and 208,552.32

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Solution

The fourth proportional to 681,834.24, 1,022,791.68 and 208,552.32 is: 312,840.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,834.24 : 1,022,791.68 = 208,552.32 : x
  2. Step 2: Convert to fraction form
    681,834.24/1,022,791.68 = 208,552.32/x
  3. Step 3: Cross multiply
    681,834.24x = 1,022,791.68 × 208,552.32
  4. Step 4: Simplify right side
    681,834.24x = 213,305,577,740.70
  5. Step 5: Solve for x
    x = 213,305,577,740.70/681,834.24
  6. Step 6: Final answer
    x = 312,840.81

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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.