Home / 721,035.93-1,081,556.19-271,636.11

Finding the Fourth Proportional to 721,035.93, 1,081,556.19 and 271,636.11

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Solution

The fourth proportional to 721,035.93, 1,081,556.19 and 271,636.11 is: 407,455.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,035.93 : 1,081,556.19 = 271,636.11 : x
  2. Step 2: Convert to fraction form
    721,035.93/1,081,556.19 = 271,636.11/x
  3. Step 3: Cross multiply
    721,035.93x = 1,081,556.19 × 271,636.11
  4. Step 4: Simplify right side
    721,035.93x = 293,789,716,198.02
  5. Step 5: Solve for x
    x = 293,789,716,198.02/721,035.93
  6. Step 6: Final answer
    x = 407,455.03

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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.