Home / 726,838.12-1,090,266.78-228,202.12

Finding the Fourth Proportional to 726,838.12, 1,090,266.78 and 228,202.12

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Solution

The fourth proportional to 726,838.12, 1,090,266.78 and 228,202.12 is: 342,306.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,838.12 : 1,090,266.78 = 228,202.12 : x
  2. Step 2: Convert to fraction form
    726,838.12/1,090,266.78 = 228,202.12/x
  3. Step 3: Cross multiply
    726,838.12x = 1,090,266.78 × 228,202.12
  4. Step 4: Simplify right side
    726,838.12x = 248,801,190,561.57
  5. Step 5: Solve for x
    x = 248,801,190,561.57/726,838.12
  6. Step 6: Final answer
    x = 342,306.19

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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.