Home / 780,418.44-1,170,505.56-247,869.36

Finding the Fourth Proportional to 780,418.44, 1,170,505.56 and 247,869.36

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Solution

The fourth proportional to 780,418.44, 1,170,505.56 and 247,869.36 is: 371,765.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,418.44 : 1,170,505.56 = 247,869.36 : x
  2. Step 2: Convert to fraction form
    780,418.44/1,170,505.56 = 247,869.36/x
  3. Step 3: Cross multiply
    780,418.44x = 1,170,505.56 × 247,869.36
  4. Step 4: Simplify right side
    780,418.44x = 290,132,464,033.64
  5. Step 5: Solve for x
    x = 290,132,464,033.64/780,418.44
  6. Step 6: Final answer
    x = 371,765.26

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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.