Home / 725,321.12-1,080,691.61-684,576.52

Finding the Fourth Proportional to 725,321.12, 1,080,691.61 and 684,576.52

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Solution

The fourth proportional to 725,321.12, 1,080,691.61 and 684,576.52 is: 1,019,984.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,321.12 : 1,080,691.61 = 684,576.52 : x
  2. Step 2: Convert to fraction form
    725,321.12/1,080,691.61 = 684,576.52/x
  3. Step 3: Cross multiply
    725,321.12x = 1,080,691.61 × 684,576.52
  4. Step 4: Simplify right side
    725,321.12x = 739,816,101,567.00
  5. Step 5: Solve for x
    x = 739,816,101,567.00/725,321.12
  6. Step 6: Final answer
    x = 1,019,984.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.