Home / 728,936.76-1,093,412.34-255,633.48

Finding the Fourth Proportional to 728,936.76, 1,093,412.34 and 255,633.48

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Solution

The fourth proportional to 728,936.76, 1,093,412.34 and 255,633.48 is: 383,452.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,936.76 : 1,093,412.34 = 255,633.48 : x
  2. Step 2: Convert to fraction form
    728,936.76/1,093,412.34 = 255,633.48/x
  3. Step 3: Cross multiply
    728,936.76x = 1,093,412.34 × 255,633.48
  4. Step 4: Simplify right side
    728,936.76x = 279,512,801,549.14
  5. Step 5: Solve for x
    x = 279,512,801,549.14/728,936.76
  6. Step 6: Final answer
    x = 383,452.74

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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.