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Finding the Fourth Proportional to 365,609.10, 547,344.45 and 260,633.10

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Solution

The fourth proportional to 365,609.10, 547,344.45 and 260,633.10 is: 390,187.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,609.10 : 547,344.45 = 260,633.10 : x
  2. Step 2: Convert to fraction form
    365,609.10/547,344.45 = 260,633.10/x
  3. Step 3: Cross multiply
    365,609.10x = 547,344.45 × 260,633.10
  4. Step 4: Simplify right side
    365,609.10x = 142,656,080,771.30
  5. Step 5: Solve for x
    x = 142,656,080,771.30/365,609.10
  6. Step 6: Final answer
    x = 390,187.45

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