Home / 721,284.54-1,082,025.24-300,462

Finding the Fourth Proportional to 721,284.54, 1,082,025.24 and 300,462

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Solution

The fourth proportional to 721,284.54, 1,082,025.24 and 300,462 is: 450,734.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,284.54 : 1,082,025.24 = 300,462 : x
  2. Step 2: Convert to fraction form
    721,284.54/1,082,025.24 = 300,462/x
  3. Step 3: Cross multiply
    721,284.54x = 1,082,025.24 × 300,462
  4. Step 4: Simplify right side
    721,284.54x = 325,107,467,660.88
  5. Step 5: Solve for x
    x = 325,107,467,660.88/721,284.54
  6. Step 6: Final answer
    x = 450,734.00

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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.