Home / 682,690.28-1,023,698.42-209,261.48

Finding the Fourth Proportional to 682,690.28, 1,023,698.42 and 209,261.48

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Solution

The fourth proportional to 682,690.28, 1,023,698.42 and 209,261.48 is: 313,788.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,690.28 : 1,023,698.42 = 209,261.48 : x
  2. Step 2: Convert to fraction form
    682,690.28/1,023,698.42 = 209,261.48/x
  3. Step 3: Cross multiply
    682,690.28x = 1,023,698.42 × 209,261.48
  4. Step 4: Simplify right side
    682,690.28x = 214,220,646,442.86
  5. Step 5: Solve for x
    x = 214,220,646,442.86/682,690.28
  6. Step 6: Final answer
    x = 313,788.92

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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.