Home / 775,045.95-1,162,791.27-325,535.64

Finding the Fourth Proportional to 775,045.95, 1,162,791.27 and 325,535.64

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Solution

The fourth proportional to 775,045.95, 1,162,791.27 and 325,535.64 is: 488,396.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,045.95 : 1,162,791.27 = 325,535.64 : x
  2. Step 2: Convert to fraction form
    775,045.95/1,162,791.27 = 325,535.64/x
  3. Step 3: Cross multiply
    775,045.95x = 1,162,791.27 × 325,535.64
  4. Step 4: Simplify right side
    775,045.95x = 378,530,000,265.86
  5. Step 5: Solve for x
    x = 378,530,000,265.86/775,045.95
  6. Step 6: Final answer
    x = 488,396.85

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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.