Home / 855,387.33-1,180,489.31-492,804.60

Finding the Fourth Proportional to 855,387.33, 1,180,489.31 and 492,804.60

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Solution

The fourth proportional to 855,387.33, 1,180,489.31 and 492,804.60 is: 680,101.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,387.33 : 1,180,489.31 = 492,804.60 : x
  2. Step 2: Convert to fraction form
    855,387.33/1,180,489.31 = 492,804.60/x
  3. Step 3: Cross multiply
    855,387.33x = 1,180,489.31 × 492,804.60
  4. Step 4: Simplify right side
    855,387.33x = 581,750,562,218.83
  5. Step 5: Solve for x
    x = 581,750,562,218.83/855,387.33
  6. Step 6: Final answer
    x = 680,101.92

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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.