Home / 755,751.12-1,133,599.68-329,286.12

Finding the Fourth Proportional to 755,751.12, 1,133,599.68 and 329,286.12

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Solution

The fourth proportional to 755,751.12, 1,133,599.68 and 329,286.12 is: 493,917.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,751.12 : 1,133,599.68 = 329,286.12 : x
  2. Step 2: Convert to fraction form
    755,751.12/1,133,599.68 = 329,286.12/x
  3. Step 3: Cross multiply
    755,751.12x = 1,133,599.68 × 329,286.12
  4. Step 4: Simplify right side
    755,751.12x = 373,278,640,260.44
  5. Step 5: Solve for x
    x = 373,278,640,260.44/755,751.12
  6. Step 6: Final answer
    x = 493,917.42

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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.