Home / 831,736.96-1,147,797.04-449,763.76

Finding the Fourth Proportional to 831,736.96, 1,147,797.04 and 449,763.76

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Solution

The fourth proportional to 831,736.96, 1,147,797.04 and 449,763.76 is: 620,674.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,736.96 : 1,147,797.04 = 449,763.76 : x
  2. Step 2: Convert to fraction form
    831,736.96/1,147,797.04 = 449,763.76/x
  3. Step 3: Cross multiply
    831,736.96x = 1,147,797.04 × 449,763.76
  4. Step 4: Simplify right side
    831,736.96x = 516,237,512,427.27
  5. Step 5: Solve for x
    x = 516,237,512,427.27/831,736.96
  6. Step 6: Final answer
    x = 620,674.01

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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.