Home / 609,669.06-840,795.03-394,584.90

Finding the Fourth Proportional to 609,669.06, 840,795.03 and 394,584.90

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Solution

The fourth proportional to 609,669.06, 840,795.03 and 394,584.90 is: 544,172.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,669.06 : 840,795.03 = 394,584.90 : x
  2. Step 2: Convert to fraction form
    609,669.06/840,795.03 = 394,584.90/x
  3. Step 3: Cross multiply
    609,669.06x = 840,795.03 × 394,584.90
  4. Step 4: Simplify right side
    609,669.06x = 331,765,022,833.05
  5. Step 5: Solve for x
    x = 331,765,022,833.05/609,669.06
  6. Step 6: Final answer
    x = 544,172.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.