Home / 809,505.26-1,117,118.96-446,929.82

Finding the Fourth Proportional to 809,505.26, 1,117,118.96 and 446,929.82

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Solution

The fourth proportional to 809,505.26, 1,117,118.96 and 446,929.82 is: 616,764.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,505.26 : 1,117,118.96 = 446,929.82 : x
  2. Step 2: Convert to fraction form
    809,505.26/1,117,118.96 = 446,929.82/x
  3. Step 3: Cross multiply
    809,505.26x = 1,117,118.96 × 446,929.82
  4. Step 4: Simplify right side
    809,505.26x = 499,273,775,711.39
  5. Step 5: Solve for x
    x = 499,273,775,711.39/809,505.26
  6. Step 6: Final answer
    x = 616,764.09

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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.