Home / 831,826.26-1,147,923.70-449,853.04

Finding the Fourth Proportional to 831,826.26, 1,147,923.70 and 449,853.04

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Solution

The fourth proportional to 831,826.26, 1,147,923.70 and 449,853.04 is: 620,799.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,826.26 : 1,147,923.70 = 449,853.04 : x
  2. Step 2: Convert to fraction form
    831,826.26/1,147,923.70 = 449,853.04/x
  3. Step 3: Cross multiply
    831,826.26x = 1,147,923.70 × 449,853.04
  4. Step 4: Simplify right side
    831,826.26x = 516,396,963,883.78
  5. Step 5: Solve for x
    x = 516,396,963,883.78/831,826.26
  6. Step 6: Final answer
    x = 620,799.06

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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.