Home / 521,986.26-782,182.34-372,541.26

Finding the Fourth Proportional to 521,986.26, 782,182.34 and 372,541.26

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Solution

The fourth proportional to 521,986.26, 782,182.34 and 372,541.26 is: 558,243.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,986.26 : 782,182.34 = 372,541.26 : x
  2. Step 2: Convert to fraction form
    521,986.26/782,182.34 = 372,541.26/x
  3. Step 3: Cross multiply
    521,986.26x = 782,182.34 × 372,541.26
  4. Step 4: Simplify right side
    521,986.26x = 291,395,194,493.35
  5. Step 5: Solve for x
    x = 291,395,194,493.35/521,986.26
  6. Step 6: Final answer
    x = 558,243.04

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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.