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Finding the Fourth Proportional to 426,254.84, 639,051.76 and 276,178.04

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Solution

The fourth proportional to 426,254.84, 639,051.76 and 276,178.04 is: 414,052.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,254.84 : 639,051.76 = 276,178.04 : x
  2. Step 2: Convert to fraction form
    426,254.84/639,051.76 = 276,178.04/x
  3. Step 3: Cross multiply
    426,254.84x = 639,051.76 × 276,178.04
  4. Step 4: Simplify right side
    426,254.84x = 176,492,062,535.35
  5. Step 5: Solve for x
    x = 176,492,062,535.35/426,254.84
  6. Step 6: Final answer
    x = 414,052.92

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