Home / 436,844.82-655,032.33-256,992.42

Finding the Fourth Proportional to 436,844.82, 655,032.33 and 256,992.42

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Solution

The fourth proportional to 436,844.82, 655,032.33 and 256,992.42 is: 385,350.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,844.82 : 655,032.33 = 256,992.42 : x
  2. Step 2: Convert to fraction form
    436,844.82/655,032.33 = 256,992.42/x
  3. Step 3: Cross multiply
    436,844.82x = 655,032.33 × 256,992.42
  4. Step 4: Simplify right side
    436,844.82x = 168,338,343,664.94
  5. Step 5: Solve for x
    x = 168,338,343,664.94/436,844.82
  6. Step 6: Final answer
    x = 385,350.44

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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.