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Finding the Fourth Proportional to 551,487.60, 827,231.40 and 494,406.90

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Solution

The fourth proportional to 551,487.60, 827,231.40 and 494,406.90 is: 741,610.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,487.60 : 827,231.40 = 494,406.90 : x
  2. Step 2: Convert to fraction form
    551,487.60/827,231.40 = 494,406.90/x
  3. Step 3: Cross multiply
    551,487.60x = 827,231.40 × 494,406.90
  4. Step 4: Simplify right side
    551,487.60x = 408,988,912,056.66
  5. Step 5: Solve for x
    x = 408,988,912,056.66/551,487.60
  6. Step 6: Final answer
    x = 741,610.35

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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.