Home / 853,175.09-1,279,762.64-254,120.67

Finding the Fourth Proportional to 853,175.09, 1,279,762.64 and 254,120.67

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Solution

The fourth proportional to 853,175.09, 1,279,762.64 and 254,120.67 is: 381,181.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,175.09 : 1,279,762.64 = 254,120.67 : x
  2. Step 2: Convert to fraction form
    853,175.09/1,279,762.64 = 254,120.67/x
  3. Step 3: Cross multiply
    853,175.09x = 1,279,762.64 × 254,120.67
  4. Step 4: Simplify right side
    853,175.09x = 325,214,138,247.17
  5. Step 5: Solve for x
    x = 325,214,138,247.17/853,175.09
  6. Step 6: Final answer
    x = 381,181.01

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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.