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Finding the Fourth Proportional to 509,386.70, 702,912.49 and 294,540.68

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Solution

The fourth proportional to 509,386.70, 702,912.49 and 294,540.68 is: 406,442.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,386.70 : 702,912.49 = 294,540.68 : x
  2. Step 2: Convert to fraction form
    509,386.70/702,912.49 = 294,540.68/x
  3. Step 3: Cross multiply
    509,386.70x = 702,912.49 × 294,540.68
  4. Step 4: Simplify right side
    509,386.70x = 207,036,322,785.09
  5. Step 5: Solve for x
    x = 207,036,322,785.09/509,386.70
  6. Step 6: Final answer
    x = 406,442.34

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