Home / 727,299.43-1,090,949.99-221,833.64

Finding the Fourth Proportional to 727,299.43, 1,090,949.99 and 221,833.64

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Solution

The fourth proportional to 727,299.43, 1,090,949.99 and 221,833.64 is: 332,750.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,299.43 : 1,090,949.99 = 221,833.64 : x
  2. Step 2: Convert to fraction form
    727,299.43/1,090,949.99 = 221,833.64/x
  3. Step 3: Cross multiply
    727,299.43x = 1,090,949.99 × 221,833.64
  4. Step 4: Simplify right side
    727,299.43x = 242,009,408,957.87
  5. Step 5: Solve for x
    x = 242,009,408,957.87/727,299.43
  6. Step 6: Final answer
    x = 332,750.72

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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.