Home / 756,125.58-1,134,409.79-223,660.78

Finding the Fourth Proportional to 756,125.58, 1,134,409.79 and 223,660.78

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Solution

The fourth proportional to 756,125.58, 1,134,409.79 and 223,660.78 is: 335,556.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,125.58 : 1,134,409.79 = 223,660.78 : x
  2. Step 2: Convert to fraction form
    756,125.58/1,134,409.79 = 223,660.78/x
  3. Step 3: Cross multiply
    756,125.58x = 1,134,409.79 × 223,660.78
  4. Step 4: Simplify right side
    756,125.58x = 253,722,978,471.04
  5. Step 5: Solve for x
    x = 253,722,978,471.04/756,125.58
  6. Step 6: Final answer
    x = 335,556.67

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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.