Home / 495,961.26-743,661.72-453,642.78

Finding the Fourth Proportional to 495,961.26, 743,661.72 and 453,642.78

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Solution

The fourth proportional to 495,961.26, 743,661.72 and 453,642.78 is: 680,207.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,961.26 : 743,661.72 = 453,642.78 : x
  2. Step 2: Convert to fraction form
    495,961.26/743,661.72 = 453,642.78/x
  3. Step 3: Cross multiply
    495,961.26x = 743,661.72 × 453,642.78
  4. Step 4: Simplify right side
    495,961.26x = 337,356,770,040.38
  5. Step 5: Solve for x
    x = 337,356,770,040.38/495,961.26
  6. Step 6: Final answer
    x = 680,207.91

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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.