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Finding the Fourth Proportional to 346,576.96, 518,682.57 and 290,480.41

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Solution

The fourth proportional to 346,576.96, 518,682.57 and 290,480.41 is: 434,729.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,576.96 : 518,682.57 = 290,480.41 : x
  2. Step 2: Convert to fraction form
    346,576.96/518,682.57 = 290,480.41/x
  3. Step 3: Cross multiply
    346,576.96x = 518,682.57 × 290,480.41
  4. Step 4: Simplify right side
    346,576.96x = 150,667,125,593.45
  5. Step 5: Solve for x
    x = 150,667,125,593.45/346,576.96
  6. Step 6: Final answer
    x = 434,729.20

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