Home / 682,415.48-1,023,754.44-261,658.56

Finding the Fourth Proportional to 682,415.48, 1,023,754.44 and 261,658.56

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Solution

The fourth proportional to 682,415.48, 1,023,754.44 and 261,658.56 is: 392,538.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,415.48 : 1,023,754.44 = 261,658.56 : x
  2. Step 2: Convert to fraction form
    682,415.48/1,023,754.44 = 261,658.56/x
  3. Step 3: Cross multiply
    682,415.48x = 1,023,754.44 × 261,658.56
  4. Step 4: Simplify right side
    682,415.48x = 267,874,112,564.01
  5. Step 5: Solve for x
    x = 267,874,112,564.01/682,415.48
  6. Step 6: Final answer
    x = 392,538.15

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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.