Home / 816,218.55-1,224,330.72-247,604.61

Finding the Fourth Proportional to 816,218.55, 1,224,330.72 and 247,604.61

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Solution

The fourth proportional to 816,218.55, 1,224,330.72 and 247,604.61 is: 371,407.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,218.55 : 1,224,330.72 = 247,604.61 : x
  2. Step 2: Convert to fraction form
    816,218.55/1,224,330.72 = 247,604.61/x
  3. Step 3: Cross multiply
    816,218.55x = 1,224,330.72 × 247,604.61
  4. Step 4: Simplify right side
    816,218.55x = 303,149,930,436.62
  5. Step 5: Solve for x
    x = 303,149,930,436.62/816,218.55
  6. Step 6: Final answer
    x = 371,407.79

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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.