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Finding the Fourth Proportional to 645,954.32, 890,493.13 and 454,373.12

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Solution

The fourth proportional to 645,954.32, 890,493.13 and 454,373.12 is: 626,385.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,954.32 : 890,493.13 = 454,373.12 : x
  2. Step 2: Convert to fraction form
    645,954.32/890,493.13 = 454,373.12/x
  3. Step 3: Cross multiply
    645,954.32x = 890,493.13 × 454,373.12
  4. Step 4: Simplify right side
    645,954.32x = 404,616,141,816.67
  5. Step 5: Solve for x
    x = 404,616,141,816.67/645,954.32
  6. Step 6: Final answer
    x = 626,385.07

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