Home / 682,676.48-1,023,976.38-209,360.54

Finding the Fourth Proportional to 682,676.48, 1,023,976.38 and 209,360.54

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Solution

The fourth proportional to 682,676.48, 1,023,976.38 and 209,360.54 is: 314,029.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,676.48 : 1,023,976.38 = 209,360.54 : x
  2. Step 2: Convert to fraction form
    682,676.48/1,023,976.38 = 209,360.54/x
  3. Step 3: Cross multiply
    682,676.48x = 1,023,976.38 × 209,360.54
  4. Step 4: Simplify right side
    682,676.48x = 214,380,247,864.05
  5. Step 5: Solve for x
    x = 214,380,247,864.05/682,676.48
  6. Step 6: Final answer
    x = 314,029.05

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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.