Home / 768,414.60-1,152,743.40-263,023.20

Finding the Fourth Proportional to 768,414.60, 1,152,743.40 and 263,023.20

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Solution

The fourth proportional to 768,414.60, 1,152,743.40 and 263,023.20 is: 394,576.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,414.60 : 1,152,743.40 = 263,023.20 : x
  2. Step 2: Convert to fraction form
    768,414.60/1,152,743.40 = 263,023.20/x
  3. Step 3: Cross multiply
    768,414.60x = 1,152,743.40 × 263,023.20
  4. Step 4: Simplify right side
    768,414.60x = 303,198,257,846.88
  5. Step 5: Solve for x
    x = 303,198,257,846.88/768,414.60
  6. Step 6: Final answer
    x = 394,576.39

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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.