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Finding the Fourth Proportional to 325,829.40, 488,744.10 and 220,075.80

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Solution

The fourth proportional to 325,829.40, 488,744.10 and 220,075.80 is: 330,113.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,829.40 : 488,744.10 = 220,075.80 : x
  2. Step 2: Convert to fraction form
    325,829.40/488,744.10 = 220,075.80/x
  3. Step 3: Cross multiply
    325,829.40x = 488,744.10 × 220,075.80
  4. Step 4: Simplify right side
    325,829.40x = 107,560,748,802.78
  5. Step 5: Solve for x
    x = 107,560,748,802.78/325,829.40
  6. Step 6: Final answer
    x = 330,113.70

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