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Finding the Fourth Proportional to 456,437.70, 684,656.55 and 231,832.80

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Solution

The fourth proportional to 456,437.70, 684,656.55 and 231,832.80 is: 347,749.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,437.70 : 684,656.55 = 231,832.80 : x
  2. Step 2: Convert to fraction form
    456,437.70/684,656.55 = 231,832.80/x
  3. Step 3: Cross multiply
    456,437.70x = 684,656.55 × 231,832.80
  4. Step 4: Simplify right side
    456,437.70x = 158,725,845,024.84
  5. Step 5: Solve for x
    x = 158,725,845,024.84/456,437.70
  6. Step 6: Final answer
    x = 347,749.20

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