Home / 862,769.63-1,294,157.79-263,728.46

Finding the Fourth Proportional to 862,769.63, 1,294,157.79 and 263,728.46

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Solution

The fourth proportional to 862,769.63, 1,294,157.79 and 263,728.46 is: 395,593.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,769.63 : 1,294,157.79 = 263,728.46 : x
  2. Step 2: Convert to fraction form
    862,769.63/1,294,157.79 = 263,728.46/x
  3. Step 3: Cross multiply
    862,769.63x = 1,294,157.79 × 263,728.46
  4. Step 4: Simplify right side
    862,769.63x = 341,306,244,189.10
  5. Step 5: Solve for x
    x = 341,306,244,189.10/862,769.63
  6. Step 6: Final answer
    x = 395,593.72

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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.