Home / 728,998.34-1,093,530.45-223,522.43

Finding the Fourth Proportional to 728,998.34, 1,093,530.45 and 223,522.43

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Solution

The fourth proportional to 728,998.34, 1,093,530.45 and 223,522.43 is: 335,293.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,998.34 : 1,093,530.45 = 223,522.43 : x
  2. Step 2: Convert to fraction form
    728,998.34/1,093,530.45 = 223,522.43/x
  3. Step 3: Cross multiply
    728,998.34x = 1,093,530.45 × 223,522.43
  4. Step 4: Simplify right side
    728,998.34x = 244,428,583,462.99
  5. Step 5: Solve for x
    x = 244,428,583,462.99/728,998.34
  6. Step 6: Final answer
    x = 335,293.74

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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.