Home / 727,404.84-1,091,107.34-221,968.46

Finding the Fourth Proportional to 727,404.84, 1,091,107.34 and 221,968.46

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Solution

The fourth proportional to 727,404.84, 1,091,107.34 and 221,968.46 is: 332,952.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,404.84 : 1,091,107.34 = 221,968.46 : x
  2. Step 2: Convert to fraction form
    727,404.84/1,091,107.34 = 221,968.46/x
  3. Step 3: Cross multiply
    727,404.84x = 1,091,107.34 × 221,968.46
  4. Step 4: Simplify right side
    727,404.84x = 242,191,415,954.50
  5. Step 5: Solve for x
    x = 242,191,415,954.50/727,404.84
  6. Step 6: Final answer
    x = 332,952.71

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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.