Home / 862,140.11-1,293,411.24-263,100.15

Finding the Fourth Proportional to 862,140.11, 1,293,411.24 and 263,100.15

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Solution

The fourth proportional to 862,140.11, 1,293,411.24 and 263,100.15 is: 394,711.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,140.11 : 1,293,411.24 = 263,100.15 : x
  2. Step 2: Convert to fraction form
    862,140.11/1,293,411.24 = 263,100.15/x
  3. Step 3: Cross multiply
    862,140.11x = 1,293,411.24 × 263,100.15
  4. Step 4: Simplify right side
    862,140.11x = 340,296,691,255.69
  5. Step 5: Solve for x
    x = 340,296,691,255.69/862,140.11
  6. Step 6: Final answer
    x = 394,711.59

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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.