Home / 809,141.21-1,213,712.42-276,666.24

Finding the Fourth Proportional to 809,141.21, 1,213,712.42 and 276,666.24

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Solution

The fourth proportional to 809,141.21, 1,213,712.42 and 276,666.24 is: 414,999.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,141.21 : 1,213,712.42 = 276,666.24 : x
  2. Step 2: Convert to fraction form
    809,141.21/1,213,712.42 = 276,666.24/x
  3. Step 3: Cross multiply
    809,141.21x = 1,213,712.42 × 276,666.24
  4. Step 4: Simplify right side
    809,141.21x = 335,793,251,682.70
  5. Step 5: Solve for x
    x = 335,793,251,682.70/809,141.21
  6. Step 6: Final answer
    x = 414,999.57

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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.