Home / 831,114.87-1,146,889.08-482,228.34

Finding the Fourth Proportional to 831,114.87, 1,146,889.08 and 482,228.34

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Solution

The fourth proportional to 831,114.87, 1,146,889.08 and 482,228.34 is: 665,446.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,114.87 : 1,146,889.08 = 482,228.34 : x
  2. Step 2: Convert to fraction form
    831,114.87/1,146,889.08 = 482,228.34/x
  3. Step 3: Cross multiply
    831,114.87x = 1,146,889.08 × 482,228.34
  4. Step 4: Simplify right side
    831,114.87x = 553,062,419,020.88
  5. Step 5: Solve for x
    x = 553,062,419,020.88/831,114.87
  6. Step 6: Final answer
    x = 665,446.42

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Half scale
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Double scale
Find fourth proportional to 831,115.87, 1,146,890.46 and 482,229.34
Similar ratio
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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.