Home / 544,721.60-816,110.40-263,619.20

Finding the Fourth Proportional to 544,721.60, 816,110.40 and 263,619.20

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Solution

The fourth proportional to 544,721.60, 816,110.40 and 263,619.20 is: 394,958.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,721.60 : 816,110.40 = 263,619.20 : x
  2. Step 2: Convert to fraction form
    544,721.60/816,110.40 = 263,619.20/x
  3. Step 3: Cross multiply
    544,721.60x = 816,110.40 × 263,619.20
  4. Step 4: Simplify right side
    544,721.60x = 215,142,370,759.68
  5. Step 5: Solve for x
    x = 215,142,370,759.68/544,721.60
  6. Step 6: Final answer
    x = 394,958.40

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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.