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Finding the Fourth Proportional to 363,035.80, 545,136.90 and 274,389.40

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Solution

The fourth proportional to 363,035.80, 545,136.90 and 274,389.40 is: 412,024.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,035.80 : 545,136.90 = 274,389.40 : x
  2. Step 2: Convert to fraction form
    363,035.80/545,136.90 = 274,389.40/x
  3. Step 3: Cross multiply
    363,035.80x = 545,136.90 × 274,389.40
  4. Step 4: Simplify right side
    363,035.80x = 149,579,786,908.86
  5. Step 5: Solve for x
    x = 149,579,786,908.86/363,035.80
  6. Step 6: Final answer
    x = 412,024.89

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