Home / 809,899.04-1,214,091.31-360,375.77

Finding the Fourth Proportional to 809,899.04, 1,214,091.31 and 360,375.77

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Solution

The fourth proportional to 809,899.04, 1,214,091.31 and 360,375.77 is: 540,226.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,899.04 : 1,214,091.31 = 360,375.77 : x
  2. Step 2: Convert to fraction form
    809,899.04/1,214,091.31 = 360,375.77/x
  3. Step 3: Cross multiply
    809,899.04x = 1,214,091.31 × 360,375.77
  4. Step 4: Simplify right side
    809,899.04x = 437,529,082,819.22
  5. Step 5: Solve for x
    x = 437,529,082,819.22/809,899.04
  6. Step 6: Final answer
    x = 540,226.70

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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.