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Finding the Fourth Proportional to 472,527.80, 707,625.30 and 313,897.40

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Solution

The fourth proportional to 472,527.80, 707,625.30 and 313,897.40 is: 470,071.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,527.80 : 707,625.30 = 313,897.40 : x
  2. Step 2: Convert to fraction form
    472,527.80/707,625.30 = 313,897.40/x
  3. Step 3: Cross multiply
    472,527.80x = 707,625.30 × 313,897.40
  4. Step 4: Simplify right side
    472,527.80x = 222,121,741,844.22
  5. Step 5: Solve for x
    x = 222,121,741,844.22/472,527.80
  6. Step 6: Final answer
    x = 470,071.27

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