Home / 729,640.20-1,093,877.10-308,569.80

Finding the Fourth Proportional to 729,640.20, 1,093,877.10 and 308,569.80

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Solution

The fourth proportional to 729,640.20, 1,093,877.10 and 308,569.80 is: 462,608.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,640.20 : 1,093,877.10 = 308,569.80 : x
  2. Step 2: Convert to fraction form
    729,640.20/1,093,877.10 = 308,569.80/x
  3. Step 3: Cross multiply
    729,640.20x = 1,093,877.10 × 308,569.80
  4. Step 4: Simplify right side
    729,640.20x = 337,537,437,971.58
  5. Step 5: Solve for x
    x = 337,537,437,971.58/729,640.20
  6. Step 6: Final answer
    x = 462,608.06

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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.