Home / 791,107.24-1,091,733.22-428,531.10

Finding the Fourth Proportional to 791,107.24, 1,091,733.22 and 428,531.10

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Solution

The fourth proportional to 791,107.24, 1,091,733.22 and 428,531.10 is: 591,375.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,107.24 : 1,091,733.22 = 428,531.10 : x
  2. Step 2: Convert to fraction form
    791,107.24/1,091,733.22 = 428,531.10/x
  3. Step 3: Cross multiply
    791,107.24x = 1,091,733.22 × 428,531.10
  4. Step 4: Simplify right side
    791,107.24x = 467,841,637,673.14
  5. Step 5: Solve for x
    x = 467,841,637,673.14/791,107.24
  6. Step 6: Final answer
    x = 591,375.75

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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.