Home / 853,067.64-1,279,470.24-284,458.62

Finding the Fourth Proportional to 853,067.64, 1,279,470.24 and 284,458.62

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Solution

The fourth proportional to 853,067.64, 1,279,470.24 and 284,458.62 is: 426,644.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,067.64 : 1,279,470.24 = 284,458.62 : x
  2. Step 2: Convert to fraction form
    853,067.64/1,279,470.24 = 284,458.62/x
  3. Step 3: Cross multiply
    853,067.64x = 1,279,470.24 × 284,458.62
  4. Step 4: Simplify right side
    853,067.64x = 363,956,338,801.47
  5. Step 5: Solve for x
    x = 363,956,338,801.47/853,067.64
  6. Step 6: Final answer
    x = 426,644.17

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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.