Home / 791,966.93-1,091,857.07-629,163.61

Finding the Fourth Proportional to 791,966.93, 1,091,857.07 and 629,163.61

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Solution

The fourth proportional to 791,966.93, 1,091,857.07 and 629,163.61 is: 867,405.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,966.93 : 1,091,857.07 = 629,163.61 : x
  2. Step 2: Convert to fraction form
    791,966.93/1,091,857.07 = 629,163.61/x
  3. Step 3: Cross multiply
    791,966.93x = 1,091,857.07 × 629,163.61
  4. Step 4: Simplify right side
    791,966.93x = 686,956,735,349.05
  5. Step 5: Solve for x
    x = 686,956,735,349.05/791,966.93
  6. Step 6: Final answer
    x = 867,405.83

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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.