Home / 682,392.11-1,023,719.37-261,635.18

Finding the Fourth Proportional to 682,392.11, 1,023,719.37 and 261,635.18

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Solution

The fourth proportional to 682,392.11, 1,023,719.37 and 261,635.18 is: 392,503.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,392.11 : 1,023,719.37 = 261,635.18 : x
  2. Step 2: Convert to fraction form
    682,392.11/1,023,719.37 = 261,635.18/x
  3. Step 3: Cross multiply
    682,392.11x = 1,023,719.37 × 261,635.18
  4. Step 4: Simplify right side
    682,392.11x = 267,840,999,080.14
  5. Step 5: Solve for x
    x = 267,840,999,080.14/682,392.11
  6. Step 6: Final answer
    x = 392,503.07

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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.