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Finding the Fourth Proportional to 618,726.73, 853,840.17 and 346,794.64

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Solution

The fourth proportional to 618,726.73, 853,840.17 and 346,794.64 is: 478,575.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,726.73 : 853,840.17 = 346,794.64 : x
  2. Step 2: Convert to fraction form
    618,726.73/853,840.17 = 346,794.64/x
  3. Step 3: Cross multiply
    618,726.73x = 853,840.17 × 346,794.64
  4. Step 4: Simplify right side
    618,726.73x = 296,107,193,907.99
  5. Step 5: Solve for x
    x = 296,107,193,907.99/618,726.73
  6. Step 6: Final answer
    x = 478,575.08

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