Home / 775,610.96-1,163,416.78-243,173.48

Finding the Fourth Proportional to 775,610.96, 1,163,416.78 and 243,173.48

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Solution

The fourth proportional to 775,610.96, 1,163,416.78 and 243,173.48 is: 364,760.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,610.96 : 1,163,416.78 = 243,173.48 : x
  2. Step 2: Convert to fraction form
    775,610.96/1,163,416.78 = 243,173.48/x
  3. Step 3: Cross multiply
    775,610.96x = 1,163,416.78 × 243,173.48
  4. Step 4: Simplify right side
    775,610.96x = 282,912,107,082.99
  5. Step 5: Solve for x
    x = 282,912,107,082.99/775,610.96
  6. Step 6: Final answer
    x = 364,760.33

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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.