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Finding the Fourth Proportional to 884.19, 1,325.42 and 494.38

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Solution

The fourth proportional to 884.19, 1,325.42 and 494.38 is: 741.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    884.19 : 1,325.42 = 494.38 : x
  2. Step 2: Convert to fraction form
    884.19/1,325.42 = 494.38/x
  3. Step 3: Cross multiply
    884.19x = 1,325.42 × 494.38
  4. Step 4: Simplify right side
    884.19x = 655,261.14
  5. Step 5: Solve for x
    x = 655,261.14/884.19
  6. Step 6: Final answer
    x = 741.09

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1.5x scale

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.