Home / 726,704.80-1,090,057.20-540,080.80

Finding the Fourth Proportional to 726,704.80, 1,090,057.20 and 540,080.80

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Solution

The fourth proportional to 726,704.80, 1,090,057.20 and 540,080.80 is: 810,121.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,704.80 : 1,090,057.20 = 540,080.80 : x
  2. Step 2: Convert to fraction form
    726,704.80/1,090,057.20 = 540,080.80/x
  3. Step 3: Cross multiply
    726,704.80x = 1,090,057.20 × 540,080.80
  4. Step 4: Simplify right side
    726,704.80x = 588,718,964,621.76
  5. Step 5: Solve for x
    x = 588,718,964,621.76/726,704.80
  6. Step 6: Final answer
    x = 810,121.20

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Double scale
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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.