Home / 682,396.27-1,023,725.62-261,639.34

Finding the Fourth Proportional to 682,396.27, 1,023,725.62 and 261,639.34

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Solution

The fourth proportional to 682,396.27, 1,023,725.62 and 261,639.34 is: 392,509.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,396.27 : 1,023,725.62 = 261,639.34 : x
  2. Step 2: Convert to fraction form
    682,396.27/1,023,725.62 = 261,639.34/x
  3. Step 3: Cross multiply
    682,396.27x = 1,023,725.62 × 261,639.34
  4. Step 4: Simplify right side
    682,396.27x = 267,846,893,624.14
  5. Step 5: Solve for x
    x = 267,846,893,624.14/682,396.27
  6. Step 6: Final answer
    x = 392,509.32

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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.