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Finding the Fourth Proportional to 704,855.96, 972,715.73 and 398,932.32

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Solution

The fourth proportional to 704,855.96, 972,715.73 and 398,932.32 is: 550,534.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,855.96 : 972,715.73 = 398,932.32 : x
  2. Step 2: Convert to fraction form
    704,855.96/972,715.73 = 398,932.32/x
  3. Step 3: Cross multiply
    704,855.96x = 972,715.73 × 398,932.32
  4. Step 4: Simplify right side
    704,855.96x = 388,047,740,874.73
  5. Step 5: Solve for x
    x = 388,047,740,874.73/704,855.96
  6. Step 6: Final answer
    x = 550,534.81

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