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Finding the Fourth Proportional to 437,628.20, 655,130.10 and 260,043.80

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Solution

The fourth proportional to 437,628.20, 655,130.10 and 260,043.80 is: 389,285.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,628.20 : 655,130.10 = 260,043.80 : x
  2. Step 2: Convert to fraction form
    437,628.20/655,130.10 = 260,043.80/x
  3. Step 3: Cross multiply
    437,628.20x = 655,130.10 × 260,043.80
  4. Step 4: Simplify right side
    437,628.20x = 170,362,520,698.38
  5. Step 5: Solve for x
    x = 170,362,520,698.38/437,628.20
  6. Step 6: Final answer
    x = 389,285.98

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