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Finding the Fourth Proportional to 548,257.96, 756,600.72 and 303,238.60

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Solution

The fourth proportional to 548,257.96, 756,600.72 and 303,238.60 is: 418,471.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,257.96 : 756,600.72 = 303,238.60 : x
  2. Step 2: Convert to fraction form
    548,257.96/756,600.72 = 303,238.60/x
  3. Step 3: Cross multiply
    548,257.96x = 756,600.72 × 303,238.60
  4. Step 4: Simplify right side
    548,257.96x = 229,430,543,091.79
  5. Step 5: Solve for x
    x = 229,430,543,091.79/548,257.96
  6. Step 6: Final answer
    x = 418,471.89

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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.