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Finding the Fourth Proportional to 456,472.80, 684,709.20 and 124,048.80

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Solution

The fourth proportional to 456,472.80, 684,709.20 and 124,048.80 is: 186,073.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,472.80 : 684,709.20 = 124,048.80 : x
  2. Step 2: Convert to fraction form
    456,472.80/684,709.20 = 124,048.80/x
  3. Step 3: Cross multiply
    456,472.80x = 684,709.20 × 124,048.80
  4. Step 4: Simplify right side
    456,472.80x = 84,937,354,608.96
  5. Step 5: Solve for x
    x = 84,937,354,608.96/456,472.80
  6. Step 6: Final answer
    x = 186,073.20

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