Home / 347,749.20-522,790.20-296,427.60

Finding the Fourth Proportional to 347,749.20, 522,790.20 and 296,427.60

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Solution

The fourth proportional to 347,749.20, 522,790.20 and 296,427.60 is: 445,635.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,749.20 : 522,790.20 = 296,427.60 : x
  2. Step 2: Convert to fraction form
    347,749.20/522,790.20 = 296,427.60/x
  3. Step 3: Cross multiply
    347,749.20x = 522,790.20 × 296,427.60
  4. Step 4: Simplify right side
    347,749.20x = 154,969,444,289.52
  5. Step 5: Solve for x
    x = 154,969,444,289.52/347,749.20
  6. Step 6: Final answer
    x = 445,635.66

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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.