Home / 755,028.64-1,132,551.92-256,431.52

Finding the Fourth Proportional to 755,028.64, 1,132,551.92 and 256,431.52

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Solution

The fourth proportional to 755,028.64, 1,132,551.92 and 256,431.52 is: 384,650.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,028.64 : 1,132,551.92 = 256,431.52 : x
  2. Step 2: Convert to fraction form
    755,028.64/1,132,551.92 = 256,431.52/x
  3. Step 3: Cross multiply
    755,028.64x = 1,132,551.92 × 256,431.52
  4. Step 4: Simplify right side
    755,028.64x = 290,422,010,324.52
  5. Step 5: Solve for x
    x = 290,422,010,324.52/755,028.64
  6. Step 6: Final answer
    x = 384,650.32

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1.5x scale

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.