Home / 728,689.20-1,093,033.80-230,053.20

Finding the Fourth Proportional to 728,689.20, 1,093,033.80 and 230,053.20

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Solution

The fourth proportional to 728,689.20, 1,093,033.80 and 230,053.20 is: 345,079.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,689.20 : 1,093,033.80 = 230,053.20 : x
  2. Step 2: Convert to fraction form
    728,689.20/1,093,033.80 = 230,053.20/x
  3. Step 3: Cross multiply
    728,689.20x = 1,093,033.80 × 230,053.20
  4. Step 4: Simplify right side
    728,689.20x = 251,455,923,398.16
  5. Step 5: Solve for x
    x = 251,455,923,398.16/728,689.20
  6. Step 6: Final answer
    x = 345,079.80

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Similar ratio
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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.