Home / 513,162.40-768,577.20-263,552.80

Finding the Fourth Proportional to 513,162.40, 768,577.20 and 263,552.80

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Solution

The fourth proportional to 513,162.40, 768,577.20 and 263,552.80 is: 394,730.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,162.40 : 768,577.20 = 263,552.80 : x
  2. Step 2: Convert to fraction form
    513,162.40/768,577.20 = 263,552.80/x
  3. Step 3: Cross multiply
    513,162.40x = 768,577.20 × 263,552.80
  4. Step 4: Simplify right side
    513,162.40x = 202,560,673,076.16
  5. Step 5: Solve for x
    x = 202,560,673,076.16/513,162.40
  6. Step 6: Final answer
    x = 394,730.15

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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.