Home / 769,823.15-1,155,057.66-343,064.97

Finding the Fourth Proportional to 769,823.15, 1,155,057.66 and 343,064.97

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Solution

The fourth proportional to 769,823.15, 1,155,057.66 and 343,064.97 is: 514,741.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,823.15 : 1,155,057.66 = 343,064.97 : x
  2. Step 2: Convert to fraction form
    769,823.15/1,155,057.66 = 343,064.97/x
  3. Step 3: Cross multiply
    769,823.15x = 1,155,057.66 × 343,064.97
  4. Step 4: Simplify right side
    769,823.15x = 396,259,821,476.17
  5. Step 5: Solve for x
    x = 396,259,821,476.17/769,823.15
  6. Step 6: Final answer
    x = 514,741.37

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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.