Home / 741,136.80-1,022,767.92-401,604.96

Finding the Fourth Proportional to 741,136.80, 1,022,767.92 and 401,604.96

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Solution

The fourth proportional to 741,136.80, 1,022,767.92 and 401,604.96 is: 554,214.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,136.80 : 1,022,767.92 = 401,604.96 : x
  2. Step 2: Convert to fraction form
    741,136.80/1,022,767.92 = 401,604.96/x
  3. Step 3: Cross multiply
    741,136.80x = 1,022,767.92 × 401,604.96
  4. Step 4: Simplify right side
    741,136.80x = 410,748,669,600.88
  5. Step 5: Solve for x
    x = 410,748,669,600.88/741,136.80
  6. Step 6: Final answer
    x = 554,214.38

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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.