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Finding the Fourth Proportional to 415,927.40, 623,891.10 and 226,970.60

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Solution

The fourth proportional to 415,927.40, 623,891.10 and 226,970.60 is: 340,455.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,927.40 : 623,891.10 = 226,970.60 : x
  2. Step 2: Convert to fraction form
    415,927.40/623,891.10 = 226,970.60/x
  3. Step 3: Cross multiply
    415,927.40x = 623,891.10 × 226,970.60
  4. Step 4: Simplify right side
    415,927.40x = 141,604,937,301.66
  5. Step 5: Solve for x
    x = 141,604,937,301.66/415,927.40
  6. Step 6: Final answer
    x = 340,455.90

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