Home / 728,704.59-1,093,089.69-223,228.68

Finding the Fourth Proportional to 728,704.59, 1,093,089.69 and 223,228.68

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Solution

The fourth proportional to 728,704.59, 1,093,089.69 and 223,228.68 is: 334,853.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,704.59 : 1,093,089.69 = 223,228.68 : x
  2. Step 2: Convert to fraction form
    728,704.59/1,093,089.69 = 223,228.68/x
  3. Step 3: Cross multiply
    728,704.59x = 1,093,089.69 × 223,228.68
  4. Step 4: Simplify right side
    728,704.59x = 244,008,968,620.31
  5. Step 5: Solve for x
    x = 244,008,968,620.31/728,704.59
  6. Step 6: Final answer
    x = 334,853.07

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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.