Home / 766,241.44-1,057,371.76-422,065.96

Finding the Fourth Proportional to 766,241.44, 1,057,371.76 and 422,065.96

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Solution

The fourth proportional to 766,241.44, 1,057,371.76 and 422,065.96 is: 582,428.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,241.44 : 1,057,371.76 = 422,065.96 : x
  2. Step 2: Convert to fraction form
    766,241.44/1,057,371.76 = 422,065.96/x
  3. Step 3: Cross multiply
    766,241.44x = 1,057,371.76 × 422,065.96
  4. Step 4: Simplify right side
    766,241.44x = 446,280,626,961.29
  5. Step 5: Solve for x
    x = 446,280,626,961.29/766,241.44
  6. Step 6: Final answer
    x = 582,428.21

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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.