Home / 727,300.43-1,090,951.49-221,834.64

Finding the Fourth Proportional to 727,300.43, 1,090,951.49 and 221,834.64

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Solution

The fourth proportional to 727,300.43, 1,090,951.49 and 221,834.64 is: 332,752.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,300.43 : 1,090,951.49 = 221,834.64 : x
  2. Step 2: Convert to fraction form
    727,300.43/1,090,951.49 = 221,834.64/x
  3. Step 3: Cross multiply
    727,300.43x = 1,090,951.49 × 221,834.64
  4. Step 4: Simplify right side
    727,300.43x = 242,010,831,041.61
  5. Step 5: Solve for x
    x = 242,010,831,041.61/727,300.43
  6. Step 6: Final answer
    x = 332,752.22

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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.