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Finding the Fourth Proportional to 564,504.62, 779,662.90 and 371,773.86

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Solution

The fourth proportional to 564,504.62, 779,662.90 and 371,773.86 is: 513,473.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,504.62 : 779,662.90 = 371,773.86 : x
  2. Step 2: Convert to fraction form
    564,504.62/779,662.90 = 371,773.86/x
  3. Step 3: Cross multiply
    564,504.62x = 779,662.90 × 371,773.86
  4. Step 4: Simplify right side
    564,504.62x = 289,858,283,972.93
  5. Step 5: Solve for x
    x = 289,858,283,972.93/564,504.62
  6. Step 6: Final answer
    x = 513,473.72

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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.