Home / 418,022.82-576,478.54-322,378.02

Finding the Fourth Proportional to 418,022.82, 576,478.54 and 322,378.02

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Solution

The fourth proportional to 418,022.82, 576,478.54 and 322,378.02 is: 444,578.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,022.82 : 576,478.54 = 322,378.02 : x
  2. Step 2: Convert to fraction form
    418,022.82/576,478.54 = 322,378.02/x
  3. Step 3: Cross multiply
    418,022.82x = 576,478.54 × 322,378.02
  4. Step 4: Simplify right side
    418,022.82x = 185,844,010,297.69
  5. Step 5: Solve for x
    x = 185,844,010,297.69/418,022.82
  6. Step 6: Final answer
    x = 444,578.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.