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Finding the Fourth Proportional to 416,404.80, 624,607.20 and 370,915.20

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Solution

The fourth proportional to 416,404.80, 624,607.20 and 370,915.20 is: 556,372.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,404.80 : 624,607.20 = 370,915.20 : x
  2. Step 2: Convert to fraction form
    416,404.80/624,607.20 = 370,915.20/x
  3. Step 3: Cross multiply
    416,404.80x = 624,607.20 × 370,915.20
  4. Step 4: Simplify right side
    416,404.80x = 231,676,304,509.44
  5. Step 5: Solve for x
    x = 231,676,304,509.44/416,404.80
  6. Step 6: Final answer
    x = 556,372.80

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