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Finding the Fourth Proportional to 568,937.97, 785,067.53 and 314,273.97

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Solution

The fourth proportional to 568,937.97, 785,067.53 and 314,273.97 is: 433,661.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,937.97 : 785,067.53 = 314,273.97 : x
  2. Step 2: Convert to fraction form
    568,937.97/785,067.53 = 314,273.97/x
  3. Step 3: Cross multiply
    568,937.97x = 785,067.53 × 314,273.97
  4. Step 4: Simplify right side
    568,937.97x = 246,726,287,799.82
  5. Step 5: Solve for x
    x = 246,726,287,799.82/568,937.97
  6. Step 6: Final answer
    x = 433,661.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.