Home / 726,680-1,090,058.88-228,082.88

Finding the Fourth Proportional to 726,680, 1,090,058.88 and 228,082.88

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Solution

The fourth proportional to 726,680, 1,090,058.88 and 228,082.88 is: 342,136.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,680 : 1,090,058.88 = 228,082.88 : x
  2. Step 2: Convert to fraction form
    726,680/1,090,058.88 = 228,082.88/x
  3. Step 3: Cross multiply
    726,680x = 1,090,058.88 × 228,082.88
  4. Step 4: Simplify right side
    726,680x = 248,623,768,719.97
  5. Step 5: Solve for x
    x = 248,623,768,719.97/726,680
  6. Step 6: Final answer
    x = 342,136.52

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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.