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Finding the Fourth Proportional to 544,007.20, 816,010.80 and 488,711.20

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Solution

The fourth proportional to 544,007.20, 816,010.80 and 488,711.20 is: 733,066.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,007.20 : 816,010.80 = 488,711.20 : x
  2. Step 2: Convert to fraction form
    544,007.20/816,010.80 = 488,711.20/x
  3. Step 3: Cross multiply
    544,007.20x = 816,010.80 × 488,711.20
  4. Step 4: Simplify right side
    544,007.20x = 398,793,617,280.96
  5. Step 5: Solve for x
    x = 398,793,617,280.96/544,007.20
  6. Step 6: Final answer
    x = 733,066.80

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Similar ratio
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1.5x scale

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.