Home / 831,431.26-1,147,293.96-482,517.42

Finding the Fourth Proportional to 831,431.26, 1,147,293.96 and 482,517.42

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Solution

The fourth proportional to 831,431.26, 1,147,293.96 and 482,517.42 is: 665,826.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,431.26 : 1,147,293.96 = 482,517.42 : x
  2. Step 2: Convert to fraction form
    831,431.26/1,147,293.96 = 482,517.42/x
  3. Step 3: Cross multiply
    831,431.26x = 1,147,293.96 × 482,517.42
  4. Step 4: Simplify right side
    831,431.26x = 553,589,321,560.78
  5. Step 5: Solve for x
    x = 553,589,321,560.78/831,431.26
  6. Step 6: Final answer
    x = 665,826.93

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Double scale
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1.5x scale

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.