Home / 808,818.76-1,213,370.82-276,214.96

Finding the Fourth Proportional to 808,818.76, 1,213,370.82 and 276,214.96

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Solution

The fourth proportional to 808,818.76, 1,213,370.82 and 276,214.96 is: 414,371.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,818.76 : 1,213,370.82 = 276,214.96 : x
  2. Step 2: Convert to fraction form
    808,818.76/1,213,370.82 = 276,214.96/x
  3. Step 3: Cross multiply
    808,818.76x = 1,213,370.82 × 276,214.96
  4. Step 4: Simplify right side
    808,818.76x = 335,151,172,511.47
  5. Step 5: Solve for x
    x = 335,151,172,511.47/808,818.76
  6. Step 6: Final answer
    x = 414,371.17

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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.