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Finding the Fourth Proportional to 489,221.60, 733,832.40 and 471,506.90

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Solution

The fourth proportional to 489,221.60, 733,832.40 and 471,506.90 is: 707,260.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,221.60 : 733,832.40 = 471,506.90 : x
  2. Step 2: Convert to fraction form
    489,221.60/733,832.40 = 471,506.90/x
  3. Step 3: Cross multiply
    489,221.60x = 733,832.40 × 471,506.90
  4. Step 4: Simplify right side
    489,221.60x = 346,007,040,043.56
  5. Step 5: Solve for x
    x = 346,007,040,043.56/489,221.60
  6. Step 6: Final answer
    x = 707,260.35

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