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Finding the Fourth Proportional to 579,625.11, 869,687.96 and 313,573.05

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Solution

The fourth proportional to 579,625.11, 869,687.96 and 313,573.05 is: 470,494.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,625.11 : 869,687.96 = 313,573.05 : x
  2. Step 2: Convert to fraction form
    579,625.11/869,687.96 = 313,573.05/x
  3. Step 3: Cross multiply
    579,625.11x = 869,687.96 × 313,573.05
  4. Step 4: Simplify right side
    579,625.11x = 272,710,704,597.61
  5. Step 5: Solve for x
    x = 272,710,704,597.61/579,625.11
  6. Step 6: Final answer
    x = 470,494.98

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