Home / 554,747.76-765,551.52-300,099.18

Finding the Fourth Proportional to 554,747.76, 765,551.52 and 300,099.18

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Solution

The fourth proportional to 554,747.76, 765,551.52 and 300,099.18 is: 414,136.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,747.76 : 765,551.52 = 300,099.18 : x
  2. Step 2: Convert to fraction form
    554,747.76/765,551.52 = 300,099.18/x
  3. Step 3: Cross multiply
    554,747.76x = 765,551.52 × 300,099.18
  4. Step 4: Simplify right side
    554,747.76x = 229,741,383,399.75
  5. Step 5: Solve for x
    x = 229,741,383,399.75/554,747.76
  6. Step 6: Final answer
    x = 414,136.66

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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.