Home / 775,317.44-1,162,976.16-354,298.07

Finding the Fourth Proportional to 775,317.44, 1,162,976.16 and 354,298.07

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Solution

The fourth proportional to 775,317.44, 1,162,976.16 and 354,298.07 is: 531,447.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,317.44 : 1,162,976.16 = 354,298.07 : x
  2. Step 2: Convert to fraction form
    775,317.44/1,162,976.16 = 354,298.07/x
  3. Step 3: Cross multiply
    775,317.44x = 1,162,976.16 × 354,298.07
  4. Step 4: Simplify right side
    775,317.44x = 412,040,201,357.64
  5. Step 5: Solve for x
    x = 412,040,201,357.64/775,317.44
  6. Step 6: Final answer
    x = 531,447.10

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Double scale
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Similar ratio
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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.