Home / 936,722.72-1,405,087.70-226,749.60

Finding the Fourth Proportional to 936,722.72, 1,405,087.70 and 226,749.60

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Solution

The fourth proportional to 936,722.72, 1,405,087.70 and 226,749.60 is: 340,125.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,722.72 : 1,405,087.70 = 226,749.60 : x
  2. Step 2: Convert to fraction form
    936,722.72/1,405,087.70 = 226,749.60/x
  3. Step 3: Cross multiply
    936,722.72x = 1,405,087.70 × 226,749.60
  4. Step 4: Simplify right side
    936,722.72x = 318,603,073,939.92
  5. Step 5: Solve for x
    x = 318,603,073,939.92/936,722.72
  6. Step 6: Final answer
    x = 340,125.28

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1.5x scale

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.