Home / 769,261.50-1,061,578.26-425,087.82

Finding the Fourth Proportional to 769,261.50, 1,061,578.26 and 425,087.82

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Solution

The fourth proportional to 769,261.50, 1,061,578.26 and 425,087.82 is: 586,619.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,261.50 : 1,061,578.26 = 425,087.82 : x
  2. Step 2: Convert to fraction form
    769,261.50/1,061,578.26 = 425,087.82/x
  3. Step 3: Cross multiply
    769,261.50x = 1,061,578.26 × 425,087.82
  4. Step 4: Simplify right side
    769,261.50x = 451,263,988,302.79
  5. Step 5: Solve for x
    x = 451,263,988,302.79/769,261.50
  6. Step 6: Final answer
    x = 586,619.75

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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.