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Finding the Fourth Proportional to 363,915.20, 545,872.80 and 304,866.20

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Solution

The fourth proportional to 363,915.20, 545,872.80 and 304,866.20 is: 457,299.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,915.20 : 545,872.80 = 304,866.20 : x
  2. Step 2: Convert to fraction form
    363,915.20/545,872.80 = 304,866.20/x
  3. Step 3: Cross multiply
    363,915.20x = 545,872.80 × 304,866.20
  4. Step 4: Simplify right side
    363,915.20x = 166,418,166,219.36
  5. Step 5: Solve for x
    x = 166,418,166,219.36/363,915.20
  6. Step 6: Final answer
    x = 457,299.30

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