Home / 853,508.30-1,279,430.37-341,020.67

Finding the Fourth Proportional to 853,508.30, 1,279,430.37 and 341,020.67

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Solution

The fourth proportional to 853,508.30, 1,279,430.37 and 341,020.67 is: 511,198.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,508.30 : 1,279,430.37 = 341,020.67 : x
  2. Step 2: Convert to fraction form
    853,508.30/1,279,430.37 = 341,020.67/x
  3. Step 3: Cross multiply
    853,508.30x = 1,279,430.37 × 341,020.67
  4. Step 4: Simplify right side
    853,508.30x = 436,312,195,598.60
  5. Step 5: Solve for x
    x = 436,312,195,598.60/853,508.30
  6. Step 6: Final answer
    x = 511,198.54

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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.