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Finding the Fourth Proportional to 515,431.62, 773,344.26 and 291,045.42

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Solution

The fourth proportional to 515,431.62, 773,344.26 and 291,045.42 is: 436,679.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,431.62 : 773,344.26 = 291,045.42 : x
  2. Step 2: Convert to fraction form
    515,431.62/773,344.26 = 291,045.42/x
  3. Step 3: Cross multiply
    515,431.62x = 773,344.26 × 291,045.42
  4. Step 4: Simplify right side
    515,431.62x = 225,078,304,956.29
  5. Step 5: Solve for x
    x = 225,078,304,956.29/515,431.62
  6. Step 6: Final answer
    x = 436,679.27

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