Home / 741,398.18-1,112,228.44-279,766.22

Finding the Fourth Proportional to 741,398.18, 1,112,228.44 and 279,766.22

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Solution

The fourth proportional to 741,398.18, 1,112,228.44 and 279,766.22 is: 419,698.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,398.18 : 1,112,228.44 = 279,766.22 : x
  2. Step 2: Convert to fraction form
    741,398.18/1,112,228.44 = 279,766.22/x
  3. Step 3: Cross multiply
    741,398.18x = 1,112,228.44 × 279,766.22
  4. Step 4: Simplify right side
    741,398.18x = 311,163,946,435.30
  5. Step 5: Solve for x
    x = 311,163,946,435.30/741,398.18
  6. Step 6: Final answer
    x = 419,698.83

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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.