Home / 680,744.22-1,020,984.57-259,920.06

Finding the Fourth Proportional to 680,744.22, 1,020,984.57 and 259,920.06

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Solution

The fourth proportional to 680,744.22, 1,020,984.57 and 259,920.06 is: 389,829.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,744.22 : 1,020,984.57 = 259,920.06 : x
  2. Step 2: Convert to fraction form
    680,744.22/1,020,984.57 = 259,920.06/x
  3. Step 3: Cross multiply
    680,744.22x = 1,020,984.57 × 259,920.06
  4. Step 4: Simplify right side
    680,744.22x = 265,374,370,693.47
  5. Step 5: Solve for x
    x = 265,374,370,693.47/680,744.22
  6. Step 6: Final answer
    x = 389,829.78

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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.