Home / 807,321.86-1,115,237.33-764,806.58

Finding the Fourth Proportional to 807,321.86, 1,115,237.33 and 764,806.58

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Solution

The fourth proportional to 807,321.86, 1,115,237.33 and 764,806.58 is: 1,056,506.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,321.86 : 1,115,237.33 = 764,806.58 : x
  2. Step 2: Convert to fraction form
    807,321.86/1,115,237.33 = 764,806.58/x
  3. Step 3: Cross multiply
    807,321.86x = 1,115,237.33 × 764,806.58
  4. Step 4: Simplify right side
    807,321.86x = 852,940,838,845.41
  5. Step 5: Solve for x
    x = 852,940,838,845.41/807,321.86
  6. Step 6: Final answer
    x = 1,056,506.56

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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.