Home / 554,721.68-765,515.30-300,072.24

Finding the Fourth Proportional to 554,721.68, 765,515.30 and 300,072.24

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Solution

The fourth proportional to 554,721.68, 765,515.30 and 300,072.24 is: 414,099.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,721.68 : 765,515.30 = 300,072.24 : x
  2. Step 2: Convert to fraction form
    554,721.68/765,515.30 = 300,072.24/x
  3. Step 3: Cross multiply
    554,721.68x = 765,515.30 × 300,072.24
  4. Step 4: Simplify right side
    554,721.68x = 229,709,890,825.27
  5. Step 5: Solve for x
    x = 229,709,890,825.27/554,721.68
  6. Step 6: Final answer
    x = 414,099.36

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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.