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Finding the Fourth Proportional to 663, 914.40 and 452.95

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Solution

The fourth proportional to 663, 914.40 and 452.95 is: 624.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    663 : 914.40 = 452.95 : x
  2. Step 2: Convert to fraction form
    663/914.40 = 452.95/x
  3. Step 3: Cross multiply
    663x = 914.40 × 452.95
  4. Step 4: Simplify right side
    663x = 414,177.48
  5. Step 5: Solve for x
    x = 414,177.48/663
  6. Step 6: Final answer
    x = 624.70

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