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Finding the Fourth Proportional to 490,800.90, 736,595.07 and 254,211.24

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Solution

The fourth proportional to 490,800.90, 736,595.07 and 254,211.24 is: 381,520.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,800.90 : 736,595.07 = 254,211.24 : x
  2. Step 2: Convert to fraction form
    490,800.90/736,595.07 = 254,211.24/x
  3. Step 3: Cross multiply
    490,800.90x = 736,595.07 × 254,211.24
  4. Step 4: Simplify right side
    490,800.90x = 187,250,746,122.59
  5. Step 5: Solve for x
    x = 187,250,746,122.59/490,800.90
  6. Step 6: Final answer
    x = 381,520.79

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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.