Home / 768,082.20-1,152,123.30-269,496.60

Finding the Fourth Proportional to 768,082.20, 1,152,123.30 and 269,496.60

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Solution

The fourth proportional to 768,082.20, 1,152,123.30 and 269,496.60 is: 404,244.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,082.20 : 1,152,123.30 = 269,496.60 : x
  2. Step 2: Convert to fraction form
    768,082.20/1,152,123.30 = 269,496.60/x
  3. Step 3: Cross multiply
    768,082.20x = 1,152,123.30 × 269,496.60
  4. Step 4: Simplify right side
    768,082.20x = 310,493,312,130.78
  5. Step 5: Solve for x
    x = 310,493,312,130.78/768,082.20
  6. Step 6: Final answer
    x = 404,244.90

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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.