Home / 831,321.42-1,246,982.13-200,235.23

Finding the Fourth Proportional to 831,321.42, 1,246,982.13 and 200,235.23

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Solution

The fourth proportional to 831,321.42, 1,246,982.13 and 200,235.23 is: 300,352.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,321.42 : 1,246,982.13 = 200,235.23 : x
  2. Step 2: Convert to fraction form
    831,321.42/1,246,982.13 = 200,235.23/x
  3. Step 3: Cross multiply
    831,321.42x = 1,246,982.13 × 200,235.23
  4. Step 4: Simplify right side
    831,321.42x = 249,689,759,625.15
  5. Step 5: Solve for x
    x = 249,689,759,625.15/831,321.42
  6. Step 6: Final answer
    x = 300,352.85

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Double scale
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1.5x scale

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.