Home / 680,744.76-1,021,747.66-344,022.36

Finding the Fourth Proportional to 680,744.76, 1,021,747.66 and 344,022.36

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Solution

The fourth proportional to 680,744.76, 1,021,747.66 and 344,022.36 is: 516,352.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,744.76 : 1,021,747.66 = 344,022.36 : x
  2. Step 2: Convert to fraction form
    680,744.76/1,021,747.66 = 344,022.36/x
  3. Step 3: Cross multiply
    680,744.76x = 1,021,747.66 × 344,022.36
  4. Step 4: Simplify right side
    680,744.76x = 351,504,041,317.68
  5. Step 5: Solve for x
    x = 351,504,041,317.68/680,744.76
  6. Step 6: Final answer
    x = 516,352.18

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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.