Home / 812,286.22-1,120,950.87-444,756.69

Finding the Fourth Proportional to 812,286.22, 1,120,950.87 and 444,756.69

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Solution

The fourth proportional to 812,286.22, 1,120,950.87 and 444,756.69 is: 613,761.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,286.22 : 1,120,950.87 = 444,756.69 : x
  2. Step 2: Convert to fraction form
    812,286.22/1,120,950.87 = 444,756.69/x
  3. Step 3: Cross multiply
    812,286.22x = 1,120,950.87 × 444,756.69
  4. Step 4: Simplify right side
    812,286.22x = 498,550,398,593.82
  5. Step 5: Solve for x
    x = 498,550,398,593.82/812,286.22
  6. Step 6: Final answer
    x = 613,761.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.