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Finding the Fourth Proportional to 472,048.20, 707,973.90 and 172,669.80

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Solution

The fourth proportional to 472,048.20, 707,973.90 and 172,669.80 is: 258,968.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,048.20 : 707,973.90 = 172,669.80 : x
  2. Step 2: Convert to fraction form
    472,048.20/707,973.90 = 172,669.80/x
  3. Step 3: Cross multiply
    472,048.20x = 707,973.90 × 172,669.80
  4. Step 4: Simplify right side
    472,048.20x = 122,245,711,718.22
  5. Step 5: Solve for x
    x = 122,245,711,718.22/472,048.20
  6. Step 6: Final answer
    x = 258,968.71

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