Home / 809,857.80-1,214,009.10-629,843.40

Finding the Fourth Proportional to 809,857.80, 1,214,009.10 and 629,843.40

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Solution

The fourth proportional to 809,857.80, 1,214,009.10 and 629,843.40 is: 944,160.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,857.80 : 1,214,009.10 = 629,843.40 : x
  2. Step 2: Convert to fraction form
    809,857.80/1,214,009.10 = 629,843.40/x
  3. Step 3: Cross multiply
    809,857.80x = 1,214,009.10 × 629,843.40
  4. Step 4: Simplify right side
    809,857.80x = 764,635,619,174.94
  5. Step 5: Solve for x
    x = 764,635,619,174.94/809,857.80
  6. Step 6: Final answer
    x = 944,160.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.