Home / 809,340.79-1,116,876.84-446,755.27

Finding the Fourth Proportional to 809,340.79, 1,116,876.84 and 446,755.27

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Solution

The fourth proportional to 809,340.79, 1,116,876.84 and 446,755.27 is: 616,514.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,340.79 : 1,116,876.84 = 446,755.27 : x
  2. Step 2: Convert to fraction form
    809,340.79/1,116,876.84 = 446,755.27/x
  3. Step 3: Cross multiply
    809,340.79x = 1,116,876.84 × 446,755.27
  4. Step 4: Simplify right side
    809,340.79x = 498,970,608,626.56
  5. Step 5: Solve for x
    x = 498,970,608,626.56/809,340.79
  6. Step 6: Final answer
    x = 616,514.85

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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.