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Finding the Fourth Proportional to 408,480.08, 563,619.06 and 238,681.40

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Solution

The fourth proportional to 408,480.08, 563,619.06 and 238,681.40 is: 329,331.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,480.08 : 563,619.06 = 238,681.40 : x
  2. Step 2: Convert to fraction form
    408,480.08/563,619.06 = 238,681.40/x
  3. Step 3: Cross multiply
    408,480.08x = 563,619.06 × 238,681.40
  4. Step 4: Simplify right side
    408,480.08x = 134,525,386,307.48
  5. Step 5: Solve for x
    x = 134,525,386,307.48/408,480.08
  6. Step 6: Final answer
    x = 329,331.57

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