Home / 892,828.42-1,339,242.63-394,093.06

Finding the Fourth Proportional to 892,828.42, 1,339,242.63 and 394,093.06

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Solution

The fourth proportional to 892,828.42, 1,339,242.63 and 394,093.06 is: 591,139.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,828.42 : 1,339,242.63 = 394,093.06 : x
  2. Step 2: Convert to fraction form
    892,828.42/1,339,242.63 = 394,093.06/x
  3. Step 3: Cross multiply
    892,828.42x = 1,339,242.63 × 394,093.06
  4. Step 4: Simplify right side
    892,828.42x = 527,786,226,139.15
  5. Step 5: Solve for x
    x = 527,786,226,139.15/892,828.42
  6. Step 6: Final answer
    x = 591,139.59

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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.