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Finding the Fourth Proportional to 413,497.30, 620,245.95 and 133,042.90

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Solution

The fourth proportional to 413,497.30, 620,245.95 and 133,042.90 is: 199,564.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,497.30 : 620,245.95 = 133,042.90 : x
  2. Step 2: Convert to fraction form
    413,497.30/620,245.95 = 133,042.90/x
  3. Step 3: Cross multiply
    413,497.30x = 620,245.95 × 133,042.90
  4. Step 4: Simplify right side
    413,497.30x = 82,519,319,901.26
  5. Step 5: Solve for x
    x = 82,519,319,901.26/413,497.30
  6. Step 6: Final answer
    x = 199,564.35

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