Home / 791,051.11-1,091,650.85-428,473.85

Finding the Fourth Proportional to 791,051.11, 1,091,650.85 and 428,473.85

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Solution

The fourth proportional to 791,051.11, 1,091,650.85 and 428,473.85 is: 591,294.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,051.11 : 1,091,650.85 = 428,473.85 : x
  2. Step 2: Convert to fraction form
    791,051.11/1,091,650.85 = 428,473.85/x
  3. Step 3: Cross multiply
    791,051.11x = 1,091,650.85 × 428,473.85
  4. Step 4: Simplify right side
    791,051.11x = 467,743,841,496.88
  5. Step 5: Solve for x
    x = 467,743,841,496.88/791,051.11
  6. Step 6: Final answer
    x = 591,294.08

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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.