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Finding the Fourth Proportional to 456,470.20, 684,705.30 and 119,510.20

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Solution

The fourth proportional to 456,470.20, 684,705.30 and 119,510.20 is: 179,265.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,470.20 : 684,705.30 = 119,510.20 : x
  2. Step 2: Convert to fraction form
    456,470.20/684,705.30 = 119,510.20/x
  3. Step 3: Cross multiply
    456,470.20x = 684,705.30 × 119,510.20
  4. Step 4: Simplify right side
    456,470.20x = 81,829,267,344.06
  5. Step 5: Solve for x
    x = 81,829,267,344.06/456,470.20
  6. Step 6: Final answer
    x = 179,265.30

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