Home / 755,589-1,133,382.25-518,212.02

Finding the Fourth Proportional to 755,589, 1,133,382.25 and 518,212.02

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Solution

The fourth proportional to 755,589, 1,133,382.25 and 518,212.02 is: 777,317.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,589 : 1,133,382.25 = 518,212.02 : x
  2. Step 2: Convert to fraction form
    755,589/1,133,382.25 = 518,212.02/x
  3. Step 3: Cross multiply
    755,589x = 1,133,382.25 × 518,212.02
  4. Step 4: Simplify right side
    755,589x = 587,332,302,613.59
  5. Step 5: Solve for x
    x = 587,332,302,613.59/755,589
  6. Step 6: Final answer
    x = 777,317.17

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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.