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Finding the Fourth Proportional to 453,552.80, 680,329.20 and 313,584.80

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Solution

The fourth proportional to 453,552.80, 680,329.20 and 313,584.80 is: 470,377.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,552.80 : 680,329.20 = 313,584.80 : x
  2. Step 2: Convert to fraction form
    453,552.80/680,329.20 = 313,584.80/x
  3. Step 3: Cross multiply
    453,552.80x = 680,329.20 × 313,584.80
  4. Step 4: Simplify right side
    453,552.80x = 213,340,896,116.16
  5. Step 5: Solve for x
    x = 213,340,896,116.16/453,552.80
  6. Step 6: Final answer
    x = 470,377.20

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