Home / 729,330.05-1,093,065.60-409,481.30

Finding the Fourth Proportional to 729,330.05, 1,093,065.60 and 409,481.30

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Solution

The fourth proportional to 729,330.05, 1,093,065.60 and 409,481.30 is: 613,700.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,330.05 : 1,093,065.60 = 409,481.30 : x
  2. Step 2: Convert to fraction form
    729,330.05/1,093,065.60 = 409,481.30/x
  3. Step 3: Cross multiply
    729,330.05x = 1,093,065.60 × 409,481.30
  4. Step 4: Simplify right side
    729,330.05x = 447,589,922,873.28
  5. Step 5: Solve for x
    x = 447,589,922,873.28/729,330.05
  6. Step 6: Final answer
    x = 613,700.10

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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.