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Finding the Fourth Proportional to 304,831.90, 457,247.85 and 298,999.90

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Solution

The fourth proportional to 304,831.90, 457,247.85 and 298,999.90 is: 448,499.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,831.90 : 457,247.85 = 298,999.90 : x
  2. Step 2: Convert to fraction form
    304,831.90/457,247.85 = 298,999.90/x
  3. Step 3: Cross multiply
    304,831.90x = 457,247.85 × 298,999.90
  4. Step 4: Simplify right side
    304,831.90x = 136,717,061,425.22
  5. Step 5: Solve for x
    x = 136,717,061,425.22/304,831.90
  6. Step 6: Final answer
    x = 448,499.85

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