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Finding the Fourth Proportional to 462,899.56, 693,228.04 and 320,345.36

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Solution

The fourth proportional to 462,899.56, 693,228.04 and 320,345.36 is: 479,742.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,899.56 : 693,228.04 = 320,345.36 : x
  2. Step 2: Convert to fraction form
    462,899.56/693,228.04 = 320,345.36/x
  3. Step 3: Cross multiply
    462,899.56x = 693,228.04 × 320,345.36
  4. Step 4: Simplify right side
    462,899.56x = 222,072,386,035.89
  5. Step 5: Solve for x
    x = 222,072,386,035.89/462,899.56
  6. Step 6: Final answer
    x = 479,742.05

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