Home / 680,608.58-1,021,542.98-343,886.22

Finding the Fourth Proportional to 680,608.58, 1,021,542.98 and 343,886.22

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Solution

The fourth proportional to 680,608.58, 1,021,542.98 and 343,886.22 is: 516,147.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,608.58 : 1,021,542.98 = 343,886.22 : x
  2. Step 2: Convert to fraction form
    680,608.58/1,021,542.98 = 343,886.22/x
  3. Step 3: Cross multiply
    680,608.58x = 1,021,542.98 × 343,886.22
  4. Step 4: Simplify right side
    680,608.58x = 351,294,552,240.30
  5. Step 5: Solve for x
    x = 351,294,552,240.30/680,608.58
  6. Step 6: Final answer
    x = 516,147.70

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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.