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Finding the Fourth Proportional to 490,797.34, 736,589.72 and 254,207.68

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Solution

The fourth proportional to 490,797.34, 736,589.72 and 254,207.68 is: 381,515.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,797.34 : 736,589.72 = 254,207.68 : x
  2. Step 2: Convert to fraction form
    490,797.34/736,589.72 = 254,207.68/x
  3. Step 3: Cross multiply
    490,797.34x = 736,589.72 × 254,207.68
  4. Step 4: Simplify right side
    490,797.34x = 187,246,760,720.54
  5. Step 5: Solve for x
    x = 187,246,760,720.54/490,797.34
  6. Step 6: Final answer
    x = 381,515.44

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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.