Home / 856,068.39-1,283,003.28-322,954.20

Finding the Fourth Proportional to 856,068.39, 1,283,003.28 and 322,954.20

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Solution

The fourth proportional to 856,068.39, 1,283,003.28 and 322,954.20 is: 484,016.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,068.39 : 1,283,003.28 = 322,954.20 : x
  2. Step 2: Convert to fraction form
    856,068.39/1,283,003.28 = 322,954.20/x
  3. Step 3: Cross multiply
    856,068.39x = 1,283,003.28 × 322,954.20
  4. Step 4: Simplify right side
    856,068.39x = 414,351,297,889.78
  5. Step 5: Solve for x
    x = 414,351,297,889.78/856,068.39
  6. Step 6: Final answer
    x = 484,016.58

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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.