Home / 680,640.51-1,021,114.40-225,230.58

Finding the Fourth Proportional to 680,640.51, 1,021,114.40 and 225,230.58

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Solution

The fourth proportional to 680,640.51, 1,021,114.40 and 225,230.58 is: 337,896.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,640.51 : 1,021,114.40 = 225,230.58 : x
  2. Step 2: Convert to fraction form
    680,640.51/1,021,114.40 = 225,230.58/x
  3. Step 3: Cross multiply
    680,640.51x = 1,021,114.40 × 225,230.58
  4. Step 4: Simplify right side
    680,640.51x = 229,986,187,432.20
  5. Step 5: Solve for x
    x = 229,986,187,432.20/680,640.51
  6. Step 6: Final answer
    x = 337,896.71

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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.