Home / 823,517.43-1,235,375.82-290,929.47

Finding the Fourth Proportional to 823,517.43, 1,235,375.82 and 290,929.47

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Solution

The fourth proportional to 823,517.43, 1,235,375.82 and 290,929.47 is: 436,429.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,517.43 : 1,235,375.82 = 290,929.47 : x
  2. Step 2: Convert to fraction form
    823,517.43/1,235,375.82 = 290,929.47/x
  3. Step 3: Cross multiply
    823,517.43x = 1,235,375.82 × 290,929.47
  4. Step 4: Simplify right side
    823,517.43x = 359,407,232,563.42
  5. Step 5: Solve for x
    x = 359,407,232,563.42/823,517.43
  6. Step 6: Final answer
    x = 436,429.42

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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.