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Finding the Fourth Proportional to 605,687.04, 835,662.96 and 350,989.20

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Solution

The fourth proportional to 605,687.04, 835,662.96 and 350,989.20 is: 484,257.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,687.04 : 835,662.96 = 350,989.20 : x
  2. Step 2: Convert to fraction form
    605,687.04/835,662.96 = 350,989.20/x
  3. Step 3: Cross multiply
    605,687.04x = 835,662.96 × 350,989.20
  4. Step 4: Simplify right side
    605,687.04x = 293,308,673,800.03
  5. Step 5: Solve for x
    x = 293,308,673,800.03/605,687.04
  6. Step 6: Final answer
    x = 484,257.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.