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Finding the Fourth Proportional to 490,600.60, 735,925.20 and 254,404.60

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Solution

The fourth proportional to 490,600.60, 735,925.20 and 254,404.60 is: 381,619.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,600.60 : 735,925.20 = 254,404.60 : x
  2. Step 2: Convert to fraction form
    490,600.60/735,925.20 = 254,404.60/x
  3. Step 3: Cross multiply
    490,600.60x = 735,925.20 × 254,404.60
  4. Step 4: Simplify right side
    490,600.60x = 187,222,756,135.92
  5. Step 5: Solve for x
    x = 187,222,756,135.92/490,600.60
  6. Step 6: Final answer
    x = 381,619.50

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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.