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Finding the Fourth Proportional to 564,747.68, 779,422.02 and 322,996.70

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Solution

The fourth proportional to 564,747.68, 779,422.02 and 322,996.70 is: 445,775.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,747.68 : 779,422.02 = 322,996.70 : x
  2. Step 2: Convert to fraction form
    564,747.68/779,422.02 = 322,996.70/x
  3. Step 3: Cross multiply
    564,747.68x = 779,422.02 × 322,996.70
  4. Step 4: Simplify right side
    564,747.68x = 251,750,740,367.33
  5. Step 5: Solve for x
    x = 251,750,740,367.33/564,747.68
  6. Step 6: Final answer
    x = 445,775.61

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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.