Home / 682,680.52-1,023,683.81-209,251.72

Finding the Fourth Proportional to 682,680.52, 1,023,683.81 and 209,251.72

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Solution

The fourth proportional to 682,680.52, 1,023,683.81 and 209,251.72 is: 313,774.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,680.52 : 1,023,683.81 = 209,251.72 : x
  2. Step 2: Convert to fraction form
    682,680.52/1,023,683.81 = 209,251.72/x
  3. Step 3: Cross multiply
    682,680.52x = 1,023,683.81 × 209,251.72
  4. Step 4: Simplify right side
    682,680.52x = 214,207,592,860.23
  5. Step 5: Solve for x
    x = 214,207,592,860.23/682,680.52
  6. Step 6: Final answer
    x = 313,774.29

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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.