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Finding the Fourth Proportional to 568,936.47, 785,065.44 and 314,272.47

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Solution

The fourth proportional to 568,936.47, 785,065.44 and 314,272.47 is: 433,659.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,936.47 : 785,065.44 = 314,272.47 : x
  2. Step 2: Convert to fraction form
    568,936.47/785,065.44 = 314,272.47/x
  3. Step 3: Cross multiply
    568,936.47x = 785,065.44 × 314,272.47
  4. Step 4: Simplify right side
    568,936.47x = 246,724,454,940.44
  5. Step 5: Solve for x
    x = 246,724,454,940.44/568,936.47
  6. Step 6: Final answer
    x = 433,659.06

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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.