Home / 831,887.92-1,148,005.32-449,914.70

Finding the Fourth Proportional to 831,887.92, 1,148,005.32 and 449,914.70

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Solution

The fourth proportional to 831,887.92, 1,148,005.32 and 449,914.70 is: 620,882.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,887.92 : 1,148,005.32 = 449,914.70 : x
  2. Step 2: Convert to fraction form
    831,887.92/1,148,005.32 = 449,914.70/x
  3. Step 3: Cross multiply
    831,887.92x = 1,148,005.32 × 449,914.70
  4. Step 4: Simplify right side
    831,887.92x = 516,504,469,146.20
  5. Step 5: Solve for x
    x = 516,504,469,146.20/831,887.92
  6. Step 6: Final answer
    x = 620,882.28

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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.