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Finding the Fourth Proportional to 437,404.70, 656,107.05 and 382,108.70

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Solution

The fourth proportional to 437,404.70, 656,107.05 and 382,108.70 is: 573,163.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,404.70 : 656,107.05 = 382,108.70 : x
  2. Step 2: Convert to fraction form
    437,404.70/656,107.05 = 382,108.70/x
  3. Step 3: Cross multiply
    437,404.70x = 656,107.05 × 382,108.70
  4. Step 4: Simplify right side
    437,404.70x = 250,704,211,936.34
  5. Step 5: Solve for x
    x = 250,704,211,936.34/437,404.70
  6. Step 6: Final answer
    x = 573,163.05

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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.