Home / 943.03-1,301.58-550.09

Finding the Fourth Proportional to 943.03, 1,301.58 and 550.09

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Solution

The fourth proportional to 943.03, 1,301.58 and 550.09 is: 759.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    943.03 : 1,301.58 = 550.09 : x
  2. Step 2: Convert to fraction form
    943.03/1,301.58 = 550.09/x
  3. Step 3: Cross multiply
    943.03x = 1,301.58 × 550.09
  4. Step 4: Simplify right side
    943.03x = 715,986.14
  5. Step 5: Solve for x
    x = 715,986.14/943.03
  6. Step 6: Final answer
    x = 759.24

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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.