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Finding the Fourth Proportional to 564,727.91, 779,342.78 and 323,010.95

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Solution

The fourth proportional to 564,727.91, 779,342.78 and 323,010.95 is: 445,765.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,727.91 : 779,342.78 = 323,010.95 : x
  2. Step 2: Convert to fraction form
    564,727.91/779,342.78 = 323,010.95/x
  3. Step 3: Cross multiply
    564,727.91x = 779,342.78 × 323,010.95
  4. Step 4: Simplify right side
    564,727.91x = 251,736,248,654.25
  5. Step 5: Solve for x
    x = 251,736,248,654.25/564,727.91
  6. Step 6: Final answer
    x = 445,765.56

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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.