Home / 790,945.22-1,091,504.06-428,369.09

Finding the Fourth Proportional to 790,945.22, 1,091,504.06 and 428,369.09

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Solution

The fourth proportional to 790,945.22, 1,091,504.06 and 428,369.09 is: 591,149.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,945.22 : 1,091,504.06 = 428,369.09 : x
  2. Step 2: Convert to fraction form
    790,945.22/1,091,504.06 = 428,369.09/x
  3. Step 3: Cross multiply
    790,945.22x = 1,091,504.06 × 428,369.09
  4. Step 4: Simplify right side
    790,945.22x = 467,566,605,665.02
  5. Step 5: Solve for x
    x = 467,566,605,665.02/790,945.22
  6. Step 6: Final answer
    x = 591,149.17

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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.