Home / 775,120.79-1,162,605.98-235,381.73

Finding the Fourth Proportional to 775,120.79, 1,162,605.98 and 235,381.73

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Solution

The fourth proportional to 775,120.79, 1,162,605.98 and 235,381.73 is: 353,049.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,120.79 : 1,162,605.98 = 235,381.73 : x
  2. Step 2: Convert to fraction form
    775,120.79/1,162,605.98 = 235,381.73/x
  3. Step 3: Cross multiply
    775,120.79x = 1,162,605.98 × 235,381.73
  4. Step 4: Simplify right side
    775,120.79x = 273,656,201,656.17
  5. Step 5: Solve for x
    x = 273,656,201,656.17/775,120.79
  6. Step 6: Final answer
    x = 353,049.75

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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.