Home / 727,399.23-1,091,031.52-343,059.96

Finding the Fourth Proportional to 727,399.23, 1,091,031.52 and 343,059.96

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Solution

The fourth proportional to 727,399.23, 1,091,031.52 and 343,059.96 is: 514,558.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,399.23 : 1,091,031.52 = 343,059.96 : x
  2. Step 2: Convert to fraction form
    727,399.23/1,091,031.52 = 343,059.96/x
  3. Step 3: Cross multiply
    727,399.23x = 1,091,031.52 × 343,059.96
  4. Step 4: Simplify right side
    727,399.23x = 374,289,229,609.94
  5. Step 5: Solve for x
    x = 374,289,229,609.94/727,399.23
  6. Step 6: Final answer
    x = 514,558.19

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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.