Home / 481,966.20-722,949.30-459,156.60

Finding the Fourth Proportional to 481,966.20, 722,949.30 and 459,156.60

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Solution

The fourth proportional to 481,966.20, 722,949.30 and 459,156.60 is: 688,734.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,966.20 : 722,949.30 = 459,156.60 : x
  2. Step 2: Convert to fraction form
    481,966.20/722,949.30 = 459,156.60/x
  3. Step 3: Cross multiply
    481,966.20x = 722,949.30 × 459,156.60
  4. Step 4: Simplify right side
    481,966.20x = 331,946,942,560.38
  5. Step 5: Solve for x
    x = 331,946,942,560.38/481,966.20
  6. Step 6: Final answer
    x = 688,734.90

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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.