Home / 773,074.22-1,066,806.41-428,906.49

Finding the Fourth Proportional to 773,074.22, 1,066,806.41 and 428,906.49

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Solution

The fourth proportional to 773,074.22, 1,066,806.41 and 428,906.49 is: 591,870.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,074.22 : 1,066,806.41 = 428,906.49 : x
  2. Step 2: Convert to fraction form
    773,074.22/1,066,806.41 = 428,906.49/x
  3. Step 3: Cross multiply
    773,074.22x = 1,066,806.41 × 428,906.49
  4. Step 4: Simplify right side
    773,074.22x = 457,560,185,344.04
  5. Step 5: Solve for x
    x = 457,560,185,344.04/773,074.22
  6. Step 6: Final answer
    x = 591,870.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.