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Finding the Fourth Proportional to 558,425.94, 770,605.41 and 303,771.66

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Solution

The fourth proportional to 558,425.94, 770,605.41 and 303,771.66 is: 419,192.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,425.94 : 770,605.41 = 303,771.66 : x
  2. Step 2: Convert to fraction form
    558,425.94/770,605.41 = 303,771.66/x
  3. Step 3: Cross multiply
    558,425.94x = 770,605.41 × 303,771.66
  4. Step 4: Simplify right side
    558,425.94x = 234,088,084,600.68
  5. Step 5: Solve for x
    x = 234,088,084,600.68/558,425.94
  6. Step 6: Final answer
    x = 419,192.71

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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.