Home / 774,879.62-1,162,406.45-206,282.85

Finding the Fourth Proportional to 774,879.62, 1,162,406.45 and 206,282.85

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Solution

The fourth proportional to 774,879.62, 1,162,406.45 and 206,282.85 is: 309,447.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,879.62 : 1,162,406.45 = 206,282.85 : x
  2. Step 2: Convert to fraction form
    774,879.62/1,162,406.45 = 206,282.85/x
  3. Step 3: Cross multiply
    774,879.62x = 1,162,406.45 × 206,282.85
  4. Step 4: Simplify right side
    774,879.62x = 239,784,516,899.26
  5. Step 5: Solve for x
    x = 239,784,516,899.26/774,879.62
  6. Step 6: Final answer
    x = 309,447.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.