Home / 682,645.46-1,023,982.95-209,320.34

Finding the Fourth Proportional to 682,645.46, 1,023,982.95 and 209,320.34

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Solution

The fourth proportional to 682,645.46, 1,023,982.95 and 209,320.34 is: 313,985.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,645.46 : 1,023,982.95 = 209,320.34 : x
  2. Step 2: Convert to fraction form
    682,645.46/1,023,982.95 = 209,320.34/x
  3. Step 3: Cross multiply
    682,645.46x = 1,023,982.95 × 209,320.34
  4. Step 4: Simplify right side
    682,645.46x = 214,340,459,248.20
  5. Step 5: Solve for x
    x = 214,340,459,248.20/682,645.46
  6. Step 6: Final answer
    x = 313,985.04

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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.