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Finding the Fourth Proportional to 404,572.80, 607,515.30 and 272,040.60

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Solution

The fourth proportional to 404,572.80, 607,515.30 and 272,040.60 is: 408,502.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,572.80 : 607,515.30 = 272,040.60 : x
  2. Step 2: Convert to fraction form
    404,572.80/607,515.30 = 272,040.60/x
  3. Step 3: Cross multiply
    404,572.80x = 607,515.30 × 272,040.60
  4. Step 4: Simplify right side
    404,572.80x = 165,268,826,721.18
  5. Step 5: Solve for x
    x = 165,268,826,721.18/404,572.80
  6. Step 6: Final answer
    x = 408,502.07

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