Home / 436,217.54-654,442.94-394,577.06

Finding the Fourth Proportional to 436,217.54, 654,442.94 and 394,577.06

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Solution

The fourth proportional to 436,217.54, 654,442.94 and 394,577.06 is: 591,971.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,217.54 : 654,442.94 = 394,577.06 : x
  2. Step 2: Convert to fraction form
    436,217.54/654,442.94 = 394,577.06/x
  3. Step 3: Cross multiply
    436,217.54x = 654,442.94 × 394,577.06
  4. Step 4: Simplify right side
    436,217.54x = 258,228,168,917.18
  5. Step 5: Solve for x
    x = 258,228,168,917.18/436,217.54
  6. Step 6: Final answer
    x = 591,971.09

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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.