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Finding the Fourth Proportional to 464,688.40, 695,477.40 and 324,720.40

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Solution

The fourth proportional to 464,688.40, 695,477.40 and 324,720.40 is: 485,993.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,688.40 : 695,477.40 = 324,720.40 : x
  2. Step 2: Convert to fraction form
    464,688.40/695,477.40 = 324,720.40/x
  3. Step 3: Cross multiply
    464,688.40x = 695,477.40 × 324,720.40
  4. Step 4: Simplify right side
    464,688.40x = 225,835,699,518.96
  5. Step 5: Solve for x
    x = 225,835,699,518.96/464,688.40
  6. Step 6: Final answer
    x = 485,993.84

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