Home / 682,958.22-1,024,399.04-209,642.21

Finding the Fourth Proportional to 682,958.22, 1,024,399.04 and 209,642.21

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Solution

The fourth proportional to 682,958.22, 1,024,399.04 and 209,642.21 is: 314,451.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,958.22 : 1,024,399.04 = 209,642.21 : x
  2. Step 2: Convert to fraction form
    682,958.22/1,024,399.04 = 209,642.21/x
  3. Step 3: Cross multiply
    682,958.22x = 1,024,399.04 × 209,642.21
  4. Step 4: Simplify right side
    682,958.22x = 214,757,276,338.77
  5. Step 5: Solve for x
    x = 214,757,276,338.77/682,958.22
  6. Step 6: Final answer
    x = 314,451.56

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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.