Home / 775,590.82-1,069,965.52-453,155.94

Finding the Fourth Proportional to 775,590.82, 1,069,965.52 and 453,155.94

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Solution

The fourth proportional to 775,590.82, 1,069,965.52 and 453,155.94 is: 625,150.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,590.82 : 1,069,965.52 = 453,155.94 : x
  2. Step 2: Convert to fraction form
    775,590.82/1,069,965.52 = 453,155.94/x
  3. Step 3: Cross multiply
    775,590.82x = 1,069,965.52 × 453,155.94
  4. Step 4: Simplify right side
    775,590.82x = 484,861,229,850.30
  5. Step 5: Solve for x
    x = 484,861,229,850.30/775,590.82
  6. Step 6: Final answer
    x = 625,150.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.