Home / 769,849.96-1,062,349.92-425,665.96

Finding the Fourth Proportional to 769,849.96, 1,062,349.92 and 425,665.96

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Solution

The fourth proportional to 769,849.96, 1,062,349.92 and 425,665.96 is: 587,395.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,849.96 : 1,062,349.92 = 425,665.96 : x
  2. Step 2: Convert to fraction form
    769,849.96/1,062,349.92 = 425,665.96/x
  3. Step 3: Cross multiply
    769,849.96x = 1,062,349.92 × 425,665.96
  4. Step 4: Simplify right side
    769,849.96x = 452,206,198,552.72
  5. Step 5: Solve for x
    x = 452,206,198,552.72/769,849.96
  6. Step 6: Final answer
    x = 587,395.24

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1.5x scale

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.