Home / 845,355.88-1,268,176.38-284,257

Finding the Fourth Proportional to 845,355.88, 1,268,176.38 and 284,257

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Solution

The fourth proportional to 845,355.88, 1,268,176.38 and 284,257 is: 426,433.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,355.88 : 1,268,176.38 = 284,257 : x
  2. Step 2: Convert to fraction form
    845,355.88/1,268,176.38 = 284,257/x
  3. Step 3: Cross multiply
    845,355.88x = 1,268,176.38 × 284,257
  4. Step 4: Simplify right side
    845,355.88x = 360,488,013,249.66
  5. Step 5: Solve for x
    x = 360,488,013,249.66/845,355.88
  6. Step 6: Final answer
    x = 426,433.44

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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.