Home / 769,747.30-1,154,511.60-264,331.60

Finding the Fourth Proportional to 769,747.30, 1,154,511.60 and 264,331.60

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Solution

The fourth proportional to 769,747.30, 1,154,511.60 and 264,331.60 is: 396,459.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,747.30 : 1,154,511.60 = 264,331.60 : x
  2. Step 2: Convert to fraction form
    769,747.30/1,154,511.60 = 264,331.60/x
  3. Step 3: Cross multiply
    769,747.30x = 1,154,511.60 × 264,331.60
  4. Step 4: Simplify right side
    769,747.30x = 305,173,898,446.56
  5. Step 5: Solve for x
    x = 305,173,898,446.56/769,747.30
  6. Step 6: Final answer
    x = 396,459.85

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1.5x scale

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.