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Finding the Fourth Proportional to 544,132.40, 816,198.60 and 483,479.60

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Solution

The fourth proportional to 544,132.40, 816,198.60 and 483,479.60 is: 725,219.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,132.40 : 816,198.60 = 483,479.60 : x
  2. Step 2: Convert to fraction form
    544,132.40/816,198.60 = 483,479.60/x
  3. Step 3: Cross multiply
    544,132.40x = 816,198.60 × 483,479.60
  4. Step 4: Simplify right side
    544,132.40x = 394,615,372,648.56
  5. Step 5: Solve for x
    x = 394,615,372,648.56/544,132.40
  6. Step 6: Final answer
    x = 725,219.40

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Similar ratio
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1.5x scale

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.