Home / 936,712.72-1,405,072.70-226,739.60

Finding the Fourth Proportional to 936,712.72, 1,405,072.70 and 226,739.60

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Solution

The fourth proportional to 936,712.72, 1,405,072.70 and 226,739.60 is: 340,110.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,712.72 : 1,405,072.70 = 226,739.60 : x
  2. Step 2: Convert to fraction form
    936,712.72/1,405,072.70 = 226,739.60/x
  3. Step 3: Cross multiply
    936,712.72x = 1,405,072.70 × 226,739.60
  4. Step 4: Simplify right side
    936,712.72x = 318,585,621,968.92
  5. Step 5: Solve for x
    x = 318,585,621,968.92/936,712.72
  6. Step 6: Final answer
    x = 340,110.28

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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.