Home / 682,410.90-1,023,579.42-209,097.66

Finding the Fourth Proportional to 682,410.90, 1,023,579.42 and 209,097.66

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Solution

The fourth proportional to 682,410.90, 1,023,579.42 and 209,097.66 is: 313,635.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,410.90 : 1,023,579.42 = 209,097.66 : x
  2. Step 2: Convert to fraction form
    682,410.90/1,023,579.42 = 209,097.66/x
  3. Step 3: Cross multiply
    682,410.90x = 1,023,579.42 × 209,097.66
  4. Step 4: Simplify right side
    682,410.90x = 214,028,061,546.16
  5. Step 5: Solve for x
    x = 214,028,061,546.16/682,410.90
  6. Step 6: Final answer
    x = 313,635.17

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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.