Home / 741,124.20-1,022,919.30-419,020.84

Finding the Fourth Proportional to 741,124.20, 1,022,919.30 and 419,020.84

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Solution

The fourth proportional to 741,124.20, 1,022,919.30 and 419,020.84 is: 578,343.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,124.20 : 1,022,919.30 = 419,020.84 : x
  2. Step 2: Convert to fraction form
    741,124.20/1,022,919.30 = 419,020.84/x
  3. Step 3: Cross multiply
    741,124.20x = 1,022,919.30 × 419,020.84
  4. Step 4: Simplify right side
    741,124.20x = 428,624,504,338.21
  5. Step 5: Solve for x
    x = 428,624,504,338.21/741,124.20
  6. Step 6: Final answer
    x = 578,343.69

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Double scale
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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.