Home / 729,592.85-1,093,865.00-345,128.58

Finding the Fourth Proportional to 729,592.85, 1,093,865.00 and 345,128.58

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Solution

The fourth proportional to 729,592.85, 1,093,865.00 and 345,128.58 is: 517,444.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,592.85 : 1,093,865.00 = 345,128.58 : x
  2. Step 2: Convert to fraction form
    729,592.85/1,093,865.00 = 345,128.58/x
  3. Step 3: Cross multiply
    729,592.85x = 1,093,865.00 × 345,128.58
  4. Step 4: Simplify right side
    729,592.85x = 377,524,072,436.06
  5. Step 5: Solve for x
    x = 377,524,072,436.06/729,592.85
  6. Step 6: Final answer
    x = 517,444.86

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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.