Home / 816,375.52-1,224,565.71-247,761.19

Finding the Fourth Proportional to 816,375.52, 1,224,565.71 and 247,761.19

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Solution

The fourth proportional to 816,375.52, 1,224,565.71 and 247,761.19 is: 371,642.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,375.52 : 1,224,565.71 = 247,761.19 : x
  2. Step 2: Convert to fraction form
    816,375.52/1,224,565.71 = 247,761.19/x
  3. Step 3: Cross multiply
    816,375.52x = 1,224,565.71 × 247,761.19
  4. Step 4: Simplify right side
    816,375.52x = 303,399,857,542.80
  5. Step 5: Solve for x
    x = 303,399,857,542.80/816,375.52
  6. Step 6: Final answer
    x = 371,642.52

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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.