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Finding the Fourth Proportional to 652.26, 978.39 and 490.67

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Solution

The fourth proportional to 652.26, 978.39 and 490.67 is: 736.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    652.26 : 978.39 = 490.67 : x
  2. Step 2: Convert to fraction form
    652.26/978.39 = 490.67/x
  3. Step 3: Cross multiply
    652.26x = 978.39 × 490.67
  4. Step 4: Simplify right side
    652.26x = 480,061.73
  5. Step 5: Solve for x
    x = 480,061.73/652.26
  6. Step 6: Final answer
    x = 736.00

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