Home / 669,514.44-1,004,441.64-309,944.52

Finding the Fourth Proportional to 669,514.44, 1,004,441.64 and 309,944.52

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Solution

The fourth proportional to 669,514.44, 1,004,441.64 and 309,944.52 is: 464,995.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,514.44 : 1,004,441.64 = 309,944.52 : x
  2. Step 2: Convert to fraction form
    669,514.44/1,004,441.64 = 309,944.52/x
  3. Step 3: Cross multiply
    669,514.44x = 1,004,441.64 × 309,944.52
  4. Step 4: Simplify right side
    669,514.44x = 311,321,181,977.81
  5. Step 5: Solve for x
    x = 311,321,181,977.81/669,514.44
  6. Step 6: Final answer
    x = 464,995.47

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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.