Home / 680,744.26-1,021,746.91-344,021.86

Finding the Fourth Proportional to 680,744.26, 1,021,746.91 and 344,021.86

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Solution

The fourth proportional to 680,744.26, 1,021,746.91 and 344,021.86 is: 516,351.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,744.26 : 1,021,746.91 = 344,021.86 : x
  2. Step 2: Convert to fraction form
    680,744.26/1,021,746.91 = 344,021.86/x
  3. Step 3: Cross multiply
    680,744.26x = 1,021,746.91 × 344,021.86
  4. Step 4: Simplify right side
    680,744.26x = 351,503,272,427.45
  5. Step 5: Solve for x
    x = 351,503,272,427.45/680,744.26
  6. Step 6: Final answer
    x = 516,351.43

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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.