Home / 727,909.20-1,091,669.40-222,469.20

Finding the Fourth Proportional to 727,909.20, 1,091,669.40 and 222,469.20

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Solution

The fourth proportional to 727,909.20, 1,091,669.40 and 222,469.20 is: 333,644.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,909.20 : 1,091,669.40 = 222,469.20 : x
  2. Step 2: Convert to fraction form
    727,909.20/1,091,669.40 = 222,469.20/x
  3. Step 3: Cross multiply
    727,909.20x = 1,091,669.40 × 222,469.20
  4. Step 4: Simplify right side
    727,909.20x = 242,862,818,082.48
  5. Step 5: Solve for x
    x = 242,862,818,082.48/727,909.20
  6. Step 6: Final answer
    x = 333,644.39

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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.