Home / 727,412.34-1,091,118.60-221,976

Finding the Fourth Proportional to 727,412.34, 1,091,118.60 and 221,976

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Solution

The fourth proportional to 727,412.34, 1,091,118.60 and 221,976 is: 332,964.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,412.34 : 1,091,118.60 = 221,976 : x
  2. Step 2: Convert to fraction form
    727,412.34/1,091,118.60 = 221,976/x
  3. Step 3: Cross multiply
    727,412.34x = 1,091,118.60 × 221,976
  4. Step 4: Simplify right side
    727,412.34x = 242,202,142,353.60
  5. Step 5: Solve for x
    x = 242,202,142,353.60/727,412.34
  6. Step 6: Final answer
    x = 332,964.03

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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.