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Finding the Fourth Proportional to 490,452.60, 735,703.20 and 254,256.60

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Solution

The fourth proportional to 490,452.60, 735,703.20 and 254,256.60 is: 381,397.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,452.60 : 735,703.20 = 254,256.60 : x
  2. Step 2: Convert to fraction form
    490,452.60/735,703.20 = 254,256.60/x
  3. Step 3: Cross multiply
    490,452.60x = 735,703.20 × 254,256.60
  4. Step 4: Simplify right side
    490,452.60x = 187,057,394,241.12
  5. Step 5: Solve for x
    x = 187,057,394,241.12/490,452.60
  6. Step 6: Final answer
    x = 381,397.50

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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.