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Finding the Fourth Proportional to 544,516.40, 816,774.60 and 394,050.80

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Solution

The fourth proportional to 544,516.40, 816,774.60 and 394,050.80 is: 591,076.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,516.40 : 816,774.60 = 394,050.80 : x
  2. Step 2: Convert to fraction form
    544,516.40/816,774.60 = 394,050.80/x
  3. Step 3: Cross multiply
    544,516.40x = 816,774.60 × 394,050.80
  4. Step 4: Simplify right side
    544,516.40x = 321,850,684,549.68
  5. Step 5: Solve for x
    x = 321,850,684,549.68/544,516.40
  6. Step 6: Final answer
    x = 591,076.20

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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.