Home / 863,012.21-1,294,753.41-263,960.10

Finding the Fourth Proportional to 863,012.21, 1,294,753.41 and 263,960.10

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Solution

The fourth proportional to 863,012.21, 1,294,753.41 and 263,960.10 is: 396,012.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,012.21 : 1,294,753.41 = 263,960.10 : x
  2. Step 2: Convert to fraction form
    863,012.21/1,294,753.41 = 263,960.10/x
  3. Step 3: Cross multiply
    863,012.21x = 1,294,753.41 × 263,960.10
  4. Step 4: Simplify right side
    863,012.21x = 341,763,239,578.94
  5. Step 5: Solve for x
    x = 341,763,239,578.94/863,012.21
  6. Step 6: Final answer
    x = 396,012.06

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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.