Home / 853,480.16-1,279,938.76-284,704.52

Finding the Fourth Proportional to 853,480.16, 1,279,938.76 and 284,704.52

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Solution

The fourth proportional to 853,480.16, 1,279,938.76 and 284,704.52 is: 426,962.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,480.16 : 1,279,938.76 = 284,704.52 : x
  2. Step 2: Convert to fraction form
    853,480.16/1,279,938.76 = 284,704.52/x
  3. Step 3: Cross multiply
    853,480.16x = 1,279,938.76 × 284,704.52
  4. Step 4: Simplify right side
    853,480.16x = 364,404,350,295.20
  5. Step 5: Solve for x
    x = 364,404,350,295.20/853,480.16
  6. Step 6: Final answer
    x = 426,962.88

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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.