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Finding the Fourth Proportional to 362,075.60, 543,113.40 and 321,640.40

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Solution

The fourth proportional to 362,075.60, 543,113.40 and 321,640.40 is: 482,460.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,075.60 : 543,113.40 = 321,640.40 : x
  2. Step 2: Convert to fraction form
    362,075.60/543,113.40 = 321,640.40/x
  3. Step 3: Cross multiply
    362,075.60x = 543,113.40 × 321,640.40
  4. Step 4: Simplify right side
    362,075.60x = 174,687,211,221.36
  5. Step 5: Solve for x
    x = 174,687,211,221.36/362,075.60
  6. Step 6: Final answer
    x = 482,460.60

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