Home / 729,593.85-1,093,866.49-345,129.58

Finding the Fourth Proportional to 729,593.85, 1,093,866.49 and 345,129.58

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Solution

The fourth proportional to 729,593.85, 1,093,866.49 and 345,129.58 is: 517,446.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,593.85 : 1,093,866.49 = 345,129.58 : x
  2. Step 2: Convert to fraction form
    729,593.85/1,093,866.49 = 345,129.58/x
  3. Step 3: Cross multiply
    729,593.85x = 1,093,866.49 × 345,129.58
  4. Step 4: Simplify right side
    729,593.85x = 377,525,682,269.77
  5. Step 5: Solve for x
    x = 377,525,682,269.77/729,593.85
  6. Step 6: Final answer
    x = 517,446.36

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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.