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Finding the Fourth Proportional to 978.75, 1,467.19 and 362.29

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Solution

The fourth proportional to 978.75, 1,467.19 and 362.29 is: 543.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    978.75 : 1,467.19 = 362.29 : x
  2. Step 2: Convert to fraction form
    978.75/1,467.19 = 362.29/x
  3. Step 3: Cross multiply
    978.75x = 1,467.19 × 362.29
  4. Step 4: Simplify right side
    978.75x = 531,547.36
  5. Step 5: Solve for x
    x = 531,547.36/978.75
  6. Step 6: Final answer
    x = 543.09

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