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Finding the Fourth Proportional to 845,832, 1,268,748 and 254,856

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Solution

The fourth proportional to 845,832, 1,268,748 and 254,856 is: 382,284

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,832 : 1,268,748 = 254,856 : x
  2. Step 2: Convert to fraction form
    845,832/1,268,748 = 254,856/x
  3. Step 3: Cross multiply
    845,832x = 1,268,748 × 254,856
  4. Step 4: Simplify right side
    845,832x = 323,348,040,288
  5. Step 5: Solve for x
    x = 323,348,040,288/845,832
  6. Step 6: Final answer
    x = 382,284

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.