Home / 755,288.79-1,042,324.11-411,137.25

Finding the Fourth Proportional to 755,288.79, 1,042,324.11 and 411,137.25

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Solution

The fourth proportional to 755,288.79, 1,042,324.11 and 411,137.25 is: 567,383.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,288.79 : 1,042,324.11 = 411,137.25 : x
  2. Step 2: Convert to fraction form
    755,288.79/1,042,324.11 = 411,137.25/x
  3. Step 3: Cross multiply
    755,288.79x = 1,042,324.11 × 411,137.25
  4. Step 4: Simplify right side
    755,288.79x = 428,538,268,194.10
  5. Step 5: Solve for x
    x = 428,538,268,194.10/755,288.79
  6. Step 6: Final answer
    x = 567,383.33

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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.