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Finding the Fourth Proportional to 482,831.40, 724,247.10 and 202,319.40

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Solution

The fourth proportional to 482,831.40, 724,247.10 and 202,319.40 is: 303,479.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,831.40 : 724,247.10 = 202,319.40 : x
  2. Step 2: Convert to fraction form
    482,831.40/724,247.10 = 202,319.40/x
  3. Step 3: Cross multiply
    482,831.40x = 724,247.10 × 202,319.40
  4. Step 4: Simplify right side
    482,831.40x = 146,529,238,723.74
  5. Step 5: Solve for x
    x = 146,529,238,723.74/482,831.40
  6. Step 6: Final answer
    x = 303,479.10

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