Home / 853,146.62-1,279,953.71-373,287.43

Finding the Fourth Proportional to 853,146.62, 1,279,953.71 and 373,287.43

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Solution

The fourth proportional to 853,146.62, 1,279,953.71 and 373,287.43 is: 560,033.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,146.62 : 1,279,953.71 = 373,287.43 : x
  2. Step 2: Convert to fraction form
    853,146.62/1,279,953.71 = 373,287.43/x
  3. Step 3: Cross multiply
    853,146.62x = 1,279,953.71 × 373,287.43
  4. Step 4: Simplify right side
    853,146.62x = 477,790,630,924.87
  5. Step 5: Solve for x
    x = 477,790,630,924.87/853,146.62
  6. Step 6: Final answer
    x = 560,033.43

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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.