Home / 952,278.09-1,428,389.43-278,375.22

Finding the Fourth Proportional to 952,278.09, 1,428,389.43 and 278,375.22

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Solution

The fourth proportional to 952,278.09, 1,428,389.43 and 278,375.22 is: 417,554.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    952,278.09 : 1,428,389.43 = 278,375.22 : x
  2. Step 2: Convert to fraction form
    952,278.09/1,428,389.43 = 278,375.22/x
  3. Step 3: Cross multiply
    952,278.09x = 1,428,389.43 × 278,375.22
  4. Step 4: Simplify right side
    952,278.09x = 397,628,220,778.02
  5. Step 5: Solve for x
    x = 397,628,220,778.02/952,278.09
  6. Step 6: Final answer
    x = 417,554.73

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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.