Home / 681,486.72-1,022,230.08-260,891.52

Finding the Fourth Proportional to 681,486.72, 1,022,230.08 and 260,891.52

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Solution

The fourth proportional to 681,486.72, 1,022,230.08 and 260,891.52 is: 391,337.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,486.72 : 1,022,230.08 = 260,891.52 : x
  2. Step 2: Convert to fraction form
    681,486.72/1,022,230.08 = 260,891.52/x
  3. Step 3: Cross multiply
    681,486.72x = 1,022,230.08 × 260,891.52
  4. Step 4: Simplify right side
    681,486.72x = 266,691,159,360.92
  5. Step 5: Solve for x
    x = 266,691,159,360.92/681,486.72
  6. Step 6: Final answer
    x = 391,337.28

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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.