Home / 756,121.82-1,134,404.16-223,657.03

Finding the Fourth Proportional to 756,121.82, 1,134,404.16 and 223,657.03

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Solution

The fourth proportional to 756,121.82, 1,134,404.16 and 223,657.03 is: 335,551.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,121.82 : 1,134,404.16 = 223,657.03 : x
  2. Step 2: Convert to fraction form
    756,121.82/1,134,404.16 = 223,657.03/x
  3. Step 3: Cross multiply
    756,121.82x = 1,134,404.16 × 223,657.03
  4. Step 4: Simplify right side
    756,121.82x = 253,717,465,245.25
  5. Step 5: Solve for x
    x = 253,717,465,245.25/756,121.82
  6. Step 6: Final answer
    x = 335,551.04

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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.