Home / 625,945.82-938,233.77-322,358.36

Finding the Fourth Proportional to 625,945.82, 938,233.77 and 322,358.36

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Solution

The fourth proportional to 625,945.82, 938,233.77 and 322,358.36 is: 483,184.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,945.82 : 938,233.77 = 322,358.36 : x
  2. Step 2: Convert to fraction form
    625,945.82/938,233.77 = 322,358.36/x
  3. Step 3: Cross multiply
    625,945.82x = 938,233.77 × 322,358.36
  4. Step 4: Simplify right side
    625,945.82x = 302,447,493,493.81
  5. Step 5: Solve for x
    x = 302,447,493,493.81/625,945.82
  6. Step 6: Final answer
    x = 483,184.78

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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.