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Finding the Fourth Proportional to 546,054.80, 819,082.20 and 488,974.10

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Solution

The fourth proportional to 546,054.80, 819,082.20 and 488,974.10 is: 733,461.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,054.80 : 819,082.20 = 488,974.10 : x
  2. Step 2: Convert to fraction form
    546,054.80/819,082.20 = 488,974.10/x
  3. Step 3: Cross multiply
    546,054.80x = 819,082.20 × 488,974.10
  4. Step 4: Simplify right side
    546,054.80x = 400,509,981,571.02
  5. Step 5: Solve for x
    x = 400,509,981,571.02/546,054.80
  6. Step 6: Final answer
    x = 733,461.15

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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.