Home / 861,969.44-1,293,157.68-270,993.44

Finding the Fourth Proportional to 861,969.44, 1,293,157.68 and 270,993.44

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Solution

The fourth proportional to 861,969.44, 1,293,157.68 and 270,993.44 is: 406,554.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,969.44 : 1,293,157.68 = 270,993.44 : x
  2. Step 2: Convert to fraction form
    861,969.44/1,293,157.68 = 270,993.44/x
  3. Step 3: Cross multiply
    861,969.44x = 1,293,157.68 × 270,993.44
  4. Step 4: Simplify right side
    861,969.44x = 350,437,248,165.62
  5. Step 5: Solve for x
    x = 350,437,248,165.62/861,969.44
  6. Step 6: Final answer
    x = 406,554.14

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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.