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Finding the Fourth Proportional to 654,651.80, 903,405.26 and 379,021.28

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Solution

The fourth proportional to 654,651.80, 903,405.26 and 379,021.28 is: 523,041.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,651.80 : 903,405.26 = 379,021.28 : x
  2. Step 2: Convert to fraction form
    654,651.80/903,405.26 = 379,021.28/x
  3. Step 3: Cross multiply
    654,651.80x = 903,405.26 × 379,021.28
  4. Step 4: Simplify right side
    654,651.80x = 342,409,818,003.93
  5. Step 5: Solve for x
    x = 342,409,818,003.93/654,651.80
  6. Step 6: Final answer
    x = 523,041.13

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