Home / 831,944.55-1,148,082.46-449,970.42

Finding the Fourth Proportional to 831,944.55, 1,148,082.46 and 449,970.42

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Solution

The fourth proportional to 831,944.55, 1,148,082.46 and 449,970.42 is: 620,958.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,944.55 : 1,148,082.46 = 449,970.42 : x
  2. Step 2: Convert to fraction form
    831,944.55/1,148,082.46 = 449,970.42/x
  3. Step 3: Cross multiply
    831,944.55x = 1,148,082.46 × 449,970.42
  4. Step 4: Simplify right side
    831,944.55x = 516,603,146,720.83
  5. Step 5: Solve for x
    x = 516,603,146,720.83/831,944.55
  6. Step 6: Final answer
    x = 620,958.63

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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.