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Finding the Fourth Proportional to 496,954.53, 685,778.53 and 303,685.41

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Solution

The fourth proportional to 496,954.53, 685,778.53 and 303,685.41 is: 419,074.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,954.53 : 685,778.53 = 303,685.41 : x
  2. Step 2: Convert to fraction form
    496,954.53/685,778.53 = 303,685.41/x
  3. Step 3: Cross multiply
    496,954.53x = 685,778.53 × 303,685.41
  4. Step 4: Simplify right side
    496,954.53x = 208,260,934,052.25
  5. Step 5: Solve for x
    x = 208,260,934,052.25/496,954.53
  6. Step 6: Final answer
    x = 419,074.43

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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.