Home / 756,120.82-1,134,402.66-223,656.03

Finding the Fourth Proportional to 756,120.82, 1,134,402.66 and 223,656.03

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Solution

The fourth proportional to 756,120.82, 1,134,402.66 and 223,656.03 is: 335,549.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,120.82 : 1,134,402.66 = 223,656.03 : x
  2. Step 2: Convert to fraction form
    756,120.82/1,134,402.66 = 223,656.03/x
  3. Step 3: Cross multiply
    756,120.82x = 1,134,402.66 × 223,656.03
  4. Step 4: Simplify right side
    756,120.82x = 253,715,996,195.75
  5. Step 5: Solve for x
    x = 253,715,996,195.75/756,120.82
  6. Step 6: Final answer
    x = 335,549.54

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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.