Home / 809,596.46-1,117,288.62-442,107.77

Finding the Fourth Proportional to 809,596.46, 1,117,288.62 and 442,107.77

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Solution

The fourth proportional to 809,596.46, 1,117,288.62 and 442,107.77 is: 610,133.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,596.46 : 1,117,288.62 = 442,107.77 : x
  2. Step 2: Convert to fraction form
    809,596.46/1,117,288.62 = 442,107.77/x
  3. Step 3: Cross multiply
    809,596.46x = 1,117,288.62 × 442,107.77
  4. Step 4: Simplify right side
    809,596.46x = 493,961,979,067.72
  5. Step 5: Solve for x
    x = 493,961,979,067.72/809,596.46
  6. Step 6: Final answer
    x = 610,133.57

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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.