Home / 769,731.30-1,154,487.60-264,315.60

Finding the Fourth Proportional to 769,731.30, 1,154,487.60 and 264,315.60

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Solution

The fourth proportional to 769,731.30, 1,154,487.60 and 264,315.60 is: 396,435.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,731.30 : 1,154,487.60 = 264,315.60 : x
  2. Step 2: Convert to fraction form
    769,731.30/1,154,487.60 = 264,315.60/x
  3. Step 3: Cross multiply
    769,731.30x = 1,154,487.60 × 264,315.60
  4. Step 4: Simplify right side
    769,731.30x = 305,149,082,686.56
  5. Step 5: Solve for x
    x = 305,149,082,686.56/769,731.30
  6. Step 6: Final answer
    x = 396,435.85

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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.