Home / 790,853.26-1,091,375.33-428,277.02

Finding the Fourth Proportional to 790,853.26, 1,091,375.33 and 428,277.02

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Solution

The fourth proportional to 790,853.26, 1,091,375.33 and 428,277.02 is: 591,021.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,853.26 : 1,091,375.33 = 428,277.02 : x
  2. Step 2: Convert to fraction form
    790,853.26/1,091,375.33 = 428,277.02/x
  3. Step 3: Cross multiply
    790,853.26x = 1,091,375.33 × 428,277.02
  4. Step 4: Simplify right side
    790,853.26x = 467,410,974,033.92
  5. Step 5: Solve for x
    x = 467,410,974,033.92/790,853.26
  6. Step 6: Final answer
    x = 591,021.11

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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.