Home / 728,807.26-1,092,183.28-344,145.69

Finding the Fourth Proportional to 728,807.26, 1,092,183.28 and 344,145.69

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Solution

The fourth proportional to 728,807.26, 1,092,183.28 and 344,145.69 is: 515,733.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,807.26 : 1,092,183.28 = 344,145.69 : x
  2. Step 2: Convert to fraction form
    728,807.26/1,092,183.28 = 344,145.69/x
  3. Step 3: Cross multiply
    728,807.26x = 1,092,183.28 × 344,145.69
  4. Step 4: Simplify right side
    728,807.26x = 375,870,161,320.42
  5. Step 5: Solve for x
    x = 375,870,161,320.42/728,807.26
  6. Step 6: Final answer
    x = 515,733.28

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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.