Home / 577,399.20-796,836.24-322,749.60

Finding the Fourth Proportional to 577,399.20, 796,836.24 and 322,749.60

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Solution

The fourth proportional to 577,399.20, 796,836.24 and 322,749.60 is: 445,408.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,399.20 : 796,836.24 = 322,749.60 : x
  2. Step 2: Convert to fraction form
    577,399.20/796,836.24 = 322,749.60/x
  3. Step 3: Cross multiply
    577,399.20x = 796,836.24 × 322,749.60
  4. Step 4: Simplify right side
    577,399.20x = 257,178,577,725.50
  5. Step 5: Solve for x
    x = 257,178,577,725.50/577,399.20
  6. Step 6: Final answer
    x = 445,408.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.