Home / 682,408.88-1,023,576.44-209,095.64

Finding the Fourth Proportional to 682,408.88, 1,023,576.44 and 209,095.64

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Solution

The fourth proportional to 682,408.88, 1,023,576.44 and 209,095.64 is: 313,632.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,408.88 : 1,023,576.44 = 209,095.64 : x
  2. Step 2: Convert to fraction form
    682,408.88/1,023,576.44 = 209,095.64/x
  3. Step 3: Cross multiply
    682,408.88x = 1,023,576.44 × 209,095.64
  4. Step 4: Simplify right side
    682,408.88x = 214,025,370,810.72
  5. Step 5: Solve for x
    x = 214,025,370,810.72/682,408.88
  6. Step 6: Final answer
    x = 313,632.16

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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.