Home / 721,004.53-1,081,509.16-271,604.79

Finding the Fourth Proportional to 721,004.53, 1,081,509.16 and 271,604.79

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Solution

The fourth proportional to 721,004.53, 1,081,509.16 and 271,604.79 is: 407,408.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,004.53 : 1,081,509.16 = 271,604.79 : x
  2. Step 2: Convert to fraction form
    721,004.53/1,081,509.16 = 271,604.79/x
  3. Step 3: Cross multiply
    721,004.53x = 1,081,509.16 × 271,604.79
  4. Step 4: Simplify right side
    721,004.53x = 293,743,068,284.88
  5. Step 5: Solve for x
    x = 293,743,068,284.88/721,004.53
  6. Step 6: Final answer
    x = 407,408.08

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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.