Home / 756,388.87-1,134,805.49-223,923.73

Finding the Fourth Proportional to 756,388.87, 1,134,805.49 and 223,923.73

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Solution

The fourth proportional to 756,388.87, 1,134,805.49 and 223,923.73 is: 335,951.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,388.87 : 1,134,805.49 = 223,923.73 : x
  2. Step 2: Convert to fraction form
    756,388.87/1,134,805.49 = 223,923.73/x
  3. Step 3: Cross multiply
    756,388.87x = 1,134,805.49 × 223,923.73
  4. Step 4: Simplify right side
    756,388.87x = 254,109,878,145.28
  5. Step 5: Solve for x
    x = 254,109,878,145.28/756,388.87
  6. Step 6: Final answer
    x = 335,951.37

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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.