Home / 752,302.76-1,128,526.86-219,811.64

Finding the Fourth Proportional to 752,302.76, 1,128,526.86 and 219,811.64

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Solution

The fourth proportional to 752,302.76, 1,128,526.86 and 219,811.64 is: 329,738.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,302.76 : 1,128,526.86 = 219,811.64 : x
  2. Step 2: Convert to fraction form
    752,302.76/1,128,526.86 = 219,811.64/x
  3. Step 3: Cross multiply
    752,302.76x = 1,128,526.86 × 219,811.64
  4. Step 4: Simplify right side
    752,302.76x = 248,063,339,880.65
  5. Step 5: Solve for x
    x = 248,063,339,880.65/752,302.76
  6. Step 6: Final answer
    x = 329,738.71

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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.