Home / 790,851.44-1,091,369.48-428,266.96

Finding the Fourth Proportional to 790,851.44, 1,091,369.48 and 428,266.96

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Solution

The fourth proportional to 790,851.44, 1,091,369.48 and 428,266.96 is: 591,005.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,851.44 : 1,091,369.48 = 428,266.96 : x
  2. Step 2: Convert to fraction form
    790,851.44/1,091,369.48 = 428,266.96/x
  3. Step 3: Cross multiply
    790,851.44x = 1,091,369.48 × 428,266.96
  4. Step 4: Simplify right side
    790,851.44x = 467,397,489,436.38
  5. Step 5: Solve for x
    x = 467,397,489,436.38/790,851.44
  6. Step 6: Final answer
    x = 591,005.42

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1.5x scale

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.