Home / 728,523.72-1,092,785.58-328,944.24

Finding the Fourth Proportional to 728,523.72, 1,092,785.58 and 328,944.24

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Solution

The fourth proportional to 728,523.72, 1,092,785.58 and 328,944.24 is: 493,416.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,523.72 : 1,092,785.58 = 328,944.24 : x
  2. Step 2: Convert to fraction form
    728,523.72/1,092,785.58 = 328,944.24/x
  3. Step 3: Cross multiply
    728,523.72x = 1,092,785.58 × 328,944.24
  4. Step 4: Simplify right side
    728,523.72x = 359,465,522,096.06
  5. Step 5: Solve for x
    x = 359,465,522,096.06/728,523.72
  6. Step 6: Final answer
    x = 493,416.36

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Double scale
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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.