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Finding the Fourth Proportional to 652,091.80, 978,429.30 and 315,002.20

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Solution

The fourth proportional to 652,091.80, 978,429.30 and 315,002.20 is: 472,644.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,091.80 : 978,429.30 = 315,002.20 : x
  2. Step 2: Convert to fraction form
    652,091.80/978,429.30 = 315,002.20/x
  3. Step 3: Cross multiply
    652,091.80x = 978,429.30 × 315,002.20
  4. Step 4: Simplify right side
    652,091.80x = 308,207,382,044.46
  5. Step 5: Solve for x
    x = 308,207,382,044.46/652,091.80
  6. Step 6: Final answer
    x = 472,644.16

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