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Finding the Fourth Proportional to 452,972.80, 679,459.20 and 303,673.60

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Solution

The fourth proportional to 452,972.80, 679,459.20 and 303,673.60 is: 455,510.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,972.80 : 679,459.20 = 303,673.60 : x
  2. Step 2: Convert to fraction form
    452,972.80/679,459.20 = 303,673.60/x
  3. Step 3: Cross multiply
    452,972.80x = 679,459.20 × 303,673.60
  4. Step 4: Simplify right side
    452,972.80x = 206,333,821,317.12
  5. Step 5: Solve for x
    x = 206,333,821,317.12/452,972.80
  6. Step 6: Final answer
    x = 455,510.40

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