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Finding the Fourth Proportional to 366,916.35, 550,374.53 and 340,344.30

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Solution

The fourth proportional to 366,916.35, 550,374.53 and 340,344.30 is: 510,516.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,916.35 : 550,374.53 = 340,344.30 : x
  2. Step 2: Convert to fraction form
    366,916.35/550,374.53 = 340,344.30/x
  3. Step 3: Cross multiply
    366,916.35x = 550,374.53 × 340,344.30
  4. Step 4: Simplify right side
    366,916.35x = 187,316,832,448.96
  5. Step 5: Solve for x
    x = 187,316,832,448.96/366,916.35
  6. Step 6: Final answer
    x = 510,516.45

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