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Finding the Fourth Proportional to 545,232.20, 816,098.70 and 426,259.40

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Solution

The fourth proportional to 545,232.20, 816,098.70 and 426,259.40 is: 638,021.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,232.20 : 816,098.70 = 426,259.40 : x
  2. Step 2: Convert to fraction form
    545,232.20/816,098.70 = 426,259.40/x
  3. Step 3: Cross multiply
    545,232.20x = 816,098.70 × 426,259.40
  4. Step 4: Simplify right side
    545,232.20x = 347,869,742,202.78
  5. Step 5: Solve for x
    x = 347,869,742,202.78/545,232.20
  6. Step 6: Final answer
    x = 638,021.27

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