Home / 727,401.84-1,091,102.84-221,965.46

Finding the Fourth Proportional to 727,401.84, 1,091,102.84 and 221,965.46

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Solution

The fourth proportional to 727,401.84, 1,091,102.84 and 221,965.46 is: 332,948.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,401.84 : 1,091,102.84 = 221,965.46 : x
  2. Step 2: Convert to fraction form
    727,401.84/1,091,102.84 = 221,965.46/x
  3. Step 3: Cross multiply
    727,401.84x = 1,091,102.84 × 221,965.46
  4. Step 4: Simplify right side
    727,401.84x = 242,187,149,220.43
  5. Step 5: Solve for x
    x = 242,187,149,220.43/727,401.84
  6. Step 6: Final answer
    x = 332,948.22

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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.