Home / 768,093.03-1,059,968.43-428,561.28

Finding the Fourth Proportional to 768,093.03, 1,059,968.43 and 428,561.28

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Solution

The fourth proportional to 768,093.03, 1,059,968.43 and 428,561.28 is: 591,414.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,093.03 : 1,059,968.43 = 428,561.28 : x
  2. Step 2: Convert to fraction form
    768,093.03/1,059,968.43 = 428,561.28/x
  3. Step 3: Cross multiply
    768,093.03x = 1,059,968.43 × 428,561.28
  4. Step 4: Simplify right side
    768,093.03x = 454,261,427,120.39
  5. Step 5: Solve for x
    x = 454,261,427,120.39/768,093.03
  6. Step 6: Final answer
    x = 591,414.59

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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.