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Finding the Fourth Proportional to 464,113.45, 640,353.09 and 267,830.20

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Solution

The fourth proportional to 464,113.45, 640,353.09 and 267,830.20 is: 369,534.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,113.45 : 640,353.09 = 267,830.20 : x
  2. Step 2: Convert to fraction form
    464,113.45/640,353.09 = 267,830.20/x
  3. Step 3: Cross multiply
    464,113.45x = 640,353.09 × 267,830.20
  4. Step 4: Simplify right side
    464,113.45x = 171,505,896,165.32
  5. Step 5: Solve for x
    x = 171,505,896,165.32/464,113.45
  6. Step 6: Final answer
    x = 369,534.42

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