Home / 809,320.05-1,116,861.89-446,744.15

Finding the Fourth Proportional to 809,320.05, 1,116,861.89 and 446,744.15

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Solution

The fourth proportional to 809,320.05, 1,116,861.89 and 446,744.15 is: 616,507.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,320.05 : 1,116,861.89 = 446,744.15 : x
  2. Step 2: Convert to fraction form
    809,320.05/1,116,861.89 = 446,744.15/x
  3. Step 3: Cross multiply
    809,320.05x = 1,116,861.89 × 446,744.15
  4. Step 4: Simplify right side
    809,320.05x = 498,951,511,247.99
  5. Step 5: Solve for x
    x = 498,951,511,247.99/809,320.05
  6. Step 6: Final answer
    x = 616,507.04

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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.