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Finding the Fourth Proportional to 706,739.52, 975,084.66 and 400,800.09

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Solution

The fourth proportional to 706,739.52, 975,084.66 and 400,800.09 is: 552,981.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,739.52 : 975,084.66 = 400,800.09 : x
  2. Step 2: Convert to fraction form
    706,739.52/975,084.66 = 400,800.09/x
  3. Step 3: Cross multiply
    706,739.52x = 975,084.66 × 400,800.09
  4. Step 4: Simplify right side
    706,739.52x = 390,814,019,485.62
  5. Step 5: Solve for x
    x = 390,814,019,485.62/706,739.52
  6. Step 6: Final answer
    x = 552,981.70

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