Home / 669,518.77-1,004,143.88-327,814.97

Finding the Fourth Proportional to 669,518.77, 1,004,143.88 and 327,814.97

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Solution

The fourth proportional to 669,518.77, 1,004,143.88 and 327,814.97 is: 491,656.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,518.77 : 1,004,143.88 = 327,814.97 : x
  2. Step 2: Convert to fraction form
    669,518.77/1,004,143.88 = 327,814.97/x
  3. Step 3: Cross multiply
    669,518.77x = 1,004,143.88 × 327,814.97
  4. Step 4: Simplify right side
    669,518.77x = 329,173,394,232.94
  5. Step 5: Solve for x
    x = 329,173,394,232.94/669,518.77
  6. Step 6: Final answer
    x = 491,656.71

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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.