Home / 681,892.29-1,022,616.95-322,007.45

Finding the Fourth Proportional to 681,892.29, 1,022,616.95 and 322,007.45

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Solution

The fourth proportional to 681,892.29, 1,022,616.95 and 322,007.45 is: 482,906.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,892.29 : 1,022,616.95 = 322,007.45 : x
  2. Step 2: Convert to fraction form
    681,892.29/1,022,616.95 = 322,007.45/x
  3. Step 3: Cross multiply
    681,892.29x = 1,022,616.95 × 322,007.45
  4. Step 4: Simplify right side
    681,892.29x = 329,290,269,673.16
  5. Step 5: Solve for x
    x = 329,290,269,673.16/681,892.29
  6. Step 6: Final answer
    x = 482,906.57

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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.