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Finding the Fourth Proportional to 547,953.16, 755,961.78 and 343,885

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Solution

The fourth proportional to 547,953.16, 755,961.78 and 343,885 is: 474,427.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,953.16 : 755,961.78 = 343,885 : x
  2. Step 2: Convert to fraction form
    547,953.16/755,961.78 = 343,885/x
  3. Step 3: Cross multiply
    547,953.16x = 755,961.78 × 343,885
  4. Step 4: Simplify right side
    547,953.16x = 259,963,916,715.30
  5. Step 5: Solve for x
    x = 259,963,916,715.30/547,953.16
  6. Step 6: Final answer
    x = 474,427.26

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