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Finding the Fourth Proportional to 558,247.72, 770,385.60 and 303,600.76

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Solution

The fourth proportional to 558,247.72, 770,385.60 and 303,600.76 is: 418,971.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,247.72 : 770,385.60 = 303,600.76 : x
  2. Step 2: Convert to fraction form
    558,247.72/770,385.60 = 303,600.76/x
  3. Step 3: Cross multiply
    558,247.72x = 770,385.60 × 303,600.76
  4. Step 4: Simplify right side
    558,247.72x = 233,889,653,653.06
  5. Step 5: Solve for x
    x = 233,889,653,653.06/558,247.72
  6. Step 6: Final answer
    x = 418,971.09

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