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Finding the Fourth Proportional to 481,954.70, 722,932.05 and 459,145.10

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Solution

The fourth proportional to 481,954.70, 722,932.05 and 459,145.10 is: 688,717.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,954.70 : 722,932.05 = 459,145.10 : x
  2. Step 2: Convert to fraction form
    481,954.70/722,932.05 = 459,145.10/x
  3. Step 3: Cross multiply
    481,954.70x = 722,932.05 × 459,145.10
  4. Step 4: Simplify right side
    481,954.70x = 331,930,708,390.46
  5. Step 5: Solve for x
    x = 331,930,708,390.46/481,954.70
  6. Step 6: Final answer
    x = 688,717.65

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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.