Home / 853,143.62-1,279,949.21-373,284.43

Finding the Fourth Proportional to 853,143.62, 1,279,949.21 and 373,284.43

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Solution

The fourth proportional to 853,143.62, 1,279,949.21 and 373,284.43 is: 560,028.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,143.62 : 1,279,949.21 = 373,284.43 : x
  2. Step 2: Convert to fraction form
    853,143.62/1,279,949.21 = 373,284.43/x
  3. Step 3: Cross multiply
    853,143.62x = 1,279,949.21 × 373,284.43
  4. Step 4: Simplify right side
    853,143.62x = 477,785,109,017.14
  5. Step 5: Solve for x
    x = 477,785,109,017.14/853,143.62
  6. Step 6: Final answer
    x = 560,028.93

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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.