Home / 729,083.80-1,093,625.70-445,648.60

Finding the Fourth Proportional to 729,083.80, 1,093,625.70 and 445,648.60

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Solution

The fourth proportional to 729,083.80, 1,093,625.70 and 445,648.60 is: 668,472.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,083.80 : 1,093,625.70 = 445,648.60 : x
  2. Step 2: Convert to fraction form
    729,083.80/1,093,625.70 = 445,648.60/x
  3. Step 3: Cross multiply
    729,083.80x = 1,093,625.70 × 445,648.60
  4. Step 4: Simplify right side
    729,083.80x = 487,372,762,129.02
  5. Step 5: Solve for x
    x = 487,372,762,129.02/729,083.80
  6. Step 6: Final answer
    x = 668,472.90

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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.