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Finding the Fourth Proportional to 475,831.67, 713,934.30 and 209,405.29

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Solution

The fourth proportional to 475,831.67, 713,934.30 and 209,405.29 is: 314,190.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,831.67 : 713,934.30 = 209,405.29 : x
  2. Step 2: Convert to fraction form
    475,831.67/713,934.30 = 209,405.29/x
  3. Step 3: Cross multiply
    475,831.67x = 713,934.30 × 209,405.29
  4. Step 4: Simplify right side
    475,831.67x = 149,501,617,347.61
  5. Step 5: Solve for x
    x = 149,501,617,347.61/475,831.67
  6. Step 6: Final answer
    x = 314,190.14

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