Home / 721,560.09-1,082,165.16-300,606.33

Finding the Fourth Proportional to 721,560.09, 1,082,165.16 and 300,606.33

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Solution

The fourth proportional to 721,560.09, 1,082,165.16 and 300,606.33 is: 450,836.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,560.09 : 1,082,165.16 = 300,606.33 : x
  2. Step 2: Convert to fraction form
    721,560.09/1,082,165.16 = 300,606.33/x
  3. Step 3: Cross multiply
    721,560.09x = 1,082,165.16 × 300,606.33
  4. Step 4: Simplify right side
    721,560.09x = 325,305,697,201.46
  5. Step 5: Solve for x
    x = 325,305,697,201.46/721,560.09
  6. Step 6: Final answer
    x = 450,836.60

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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.