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Finding the Fourth Proportional to 520,797.88, 781,196.82 and 494,203.96

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Solution

The fourth proportional to 520,797.88, 781,196.82 and 494,203.96 is: 741,305.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,797.88 : 781,196.82 = 494,203.96 : x
  2. Step 2: Convert to fraction form
    520,797.88/781,196.82 = 494,203.96/x
  3. Step 3: Cross multiply
    520,797.88x = 781,196.82 × 494,203.96
  4. Step 4: Simplify right side
    520,797.88x = 386,070,561,983.41
  5. Step 5: Solve for x
    x = 386,070,561,983.41/520,797.88
  6. Step 6: Final answer
    x = 741,305.94

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.