Home / 872,695.62-1,309,050.72-273,749.22

Finding the Fourth Proportional to 872,695.62, 1,309,050.72 and 273,749.22

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Solution

The fourth proportional to 872,695.62, 1,309,050.72 and 273,749.22 is: 410,626.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,695.62 : 1,309,050.72 = 273,749.22 : x
  2. Step 2: Convert to fraction form
    872,695.62/1,309,050.72 = 273,749.22/x
  3. Step 3: Cross multiply
    872,695.62x = 1,309,050.72 × 273,749.22
  4. Step 4: Simplify right side
    872,695.62x = 358,351,613,540.44
  5. Step 5: Solve for x
    x = 358,351,613,540.44/872,695.62
  6. Step 6: Final answer
    x = 410,626.12

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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.