Home / 777,027.16-1,165,698.96-327,749.73

Finding the Fourth Proportional to 777,027.16, 1,165,698.96 and 327,749.73

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Solution

The fourth proportional to 777,027.16, 1,165,698.96 and 327,749.73 is: 491,691.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,027.16 : 1,165,698.96 = 327,749.73 : x
  2. Step 2: Convert to fraction form
    777,027.16/1,165,698.96 = 327,749.73/x
  3. Step 3: Cross multiply
    777,027.16x = 1,165,698.96 × 327,749.73
  4. Step 4: Simplify right side
    777,027.16x = 382,057,519,401.28
  5. Step 5: Solve for x
    x = 382,057,519,401.28/777,027.16
  6. Step 6: Final answer
    x = 491,691.33

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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.