Home / 769,800.82-1,062,282.22-425,616.84

Finding the Fourth Proportional to 769,800.82, 1,062,282.22 and 425,616.84

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Solution

The fourth proportional to 769,800.82, 1,062,282.22 and 425,616.84 is: 587,327.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,800.82 : 1,062,282.22 = 425,616.84 : x
  2. Step 2: Convert to fraction form
    769,800.82/1,062,282.22 = 425,616.84/x
  3. Step 3: Cross multiply
    769,800.82x = 1,062,282.22 × 425,616.84
  4. Step 4: Simplify right side
    769,800.82x = 452,125,201,664.59
  5. Step 5: Solve for x
    x = 452,125,201,664.59/769,800.82
  6. Step 6: Final answer
    x = 587,327.51

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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.