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Finding the Fourth Proportional to 884.69, 1,324.94 and 701.49

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Solution

The fourth proportional to 884.69, 1,324.94 and 701.49 is: 1,050.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    884.69 : 1,324.94 = 701.49 : x
  2. Step 2: Convert to fraction form
    884.69/1,324.94 = 701.49/x
  3. Step 3: Cross multiply
    884.69x = 1,324.94 × 701.49
  4. Step 4: Simplify right side
    884.69x = 929,428.65
  5. Step 5: Solve for x
    x = 929,428.65/884.69
  6. Step 6: Final answer
    x = 1,050.58

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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.