Home / 1,044.39-1,566.69-386.44

Finding the Fourth Proportional to 1,044.39, 1,566.69 and 386.44

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Solution

The fourth proportional to 1,044.39, 1,566.69 and 386.44 is: 579.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044.39 : 1,566.69 = 386.44 : x
  2. Step 2: Convert to fraction form
    1,044.39/1,566.69 = 386.44/x
  3. Step 3: Cross multiply
    1,044.39x = 1,566.69 × 386.44
  4. Step 4: Simplify right side
    1,044.39x = 605,431.68
  5. Step 5: Solve for x
    x = 605,431.68/1,044.39
  6. Step 6: Final answer
    x = 579.70

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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.