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Finding the Fourth Proportional to 496,556, 685,241.52 and 270,197.60

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Solution

The fourth proportional to 496,556, 685,241.52 and 270,197.60 is: 372,869.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,556 : 685,241.52 = 270,197.60 : x
  2. Step 2: Convert to fraction form
    496,556/685,241.52 = 270,197.60/x
  3. Step 3: Cross multiply
    496,556x = 685,241.52 × 270,197.60
  4. Step 4: Simplify right side
    496,556x = 185,150,614,124.35
  5. Step 5: Solve for x
    x = 185,150,614,124.35/496,556
  6. Step 6: Final answer
    x = 372,869.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.