Home / 800,630.87-1,200,757.64-294,917.22

Finding the Fourth Proportional to 800,630.87, 1,200,757.64 and 294,917.22

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Solution

The fourth proportional to 800,630.87, 1,200,757.64 and 294,917.22 is: 442,306.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,630.87 : 1,200,757.64 = 294,917.22 : x
  2. Step 2: Convert to fraction form
    800,630.87/1,200,757.64 = 294,917.22/x
  3. Step 3: Cross multiply
    800,630.87x = 1,200,757.64 × 294,917.22
  4. Step 4: Simplify right side
    800,630.87x = 354,124,103,607.98
  5. Step 5: Solve for x
    x = 354,124,103,607.98/800,630.87
  6. Step 6: Final answer
    x = 442,306.34

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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.