Home / 887,504.21-1,331,477.75-256,418.02

Finding the Fourth Proportional to 887,504.21, 1,331,477.75 and 256,418.02

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Solution

The fourth proportional to 887,504.21, 1,331,477.75 and 256,418.02 is: 384,691.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,504.21 : 1,331,477.75 = 256,418.02 : x
  2. Step 2: Convert to fraction form
    887,504.21/1,331,477.75 = 256,418.02/x
  3. Step 3: Cross multiply
    887,504.21x = 1,331,477.75 × 256,418.02
  4. Step 4: Simplify right side
    887,504.21x = 341,414,887,046.97
  5. Step 5: Solve for x
    x = 341,414,887,046.97/887,504.21
  6. Step 6: Final answer
    x = 384,691.01

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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.