Home / 806,491.26-1,112,949.18-443,907.36

Finding the Fourth Proportional to 806,491.26, 1,112,949.18 and 443,907.36

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Solution

The fourth proportional to 806,491.26, 1,112,949.18 and 443,907.36 is: 612,587.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,491.26 : 1,112,949.18 = 443,907.36 : x
  2. Step 2: Convert to fraction form
    806,491.26/1,112,949.18 = 443,907.36/x
  3. Step 3: Cross multiply
    806,491.26x = 1,112,949.18 × 443,907.36
  4. Step 4: Simplify right side
    806,491.26x = 494,046,332,307.97
  5. Step 5: Solve for x
    x = 494,046,332,307.97/806,491.26
  6. Step 6: Final answer
    x = 612,587.34

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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.