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Finding the Fourth Proportional to 528,991.09, 792,708.84 and 312,627.13

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Solution

The fourth proportional to 528,991.09, 792,708.84 and 312,627.13 is: 468,481.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,991.09 : 792,708.84 = 312,627.13 : x
  2. Step 2: Convert to fraction form
    528,991.09/792,708.84 = 312,627.13/x
  3. Step 3: Cross multiply
    528,991.09x = 792,708.84 × 312,627.13
  4. Step 4: Simplify right side
    528,991.09x = 247,822,289,574.83
  5. Step 5: Solve for x
    x = 247,822,289,574.83/528,991.09
  6. Step 6: Final answer
    x = 468,481.03

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