Home / 439,735.20-658,825.20-372,861.60

Finding the Fourth Proportional to 439,735.20, 658,825.20 and 372,861.60

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Solution

The fourth proportional to 439,735.20, 658,825.20 and 372,861.60 is: 558,633.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,735.20 : 658,825.20 = 372,861.60 : x
  2. Step 2: Convert to fraction form
    439,735.20/658,825.20 = 372,861.60/x
  3. Step 3: Cross multiply
    439,735.20x = 658,825.20 × 372,861.60
  4. Step 4: Simplify right side
    439,735.20x = 245,650,618,192.32
  5. Step 5: Solve for x
    x = 245,650,618,192.32/439,735.20
  6. Step 6: Final answer
    x = 558,633.06

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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.