Home / 936,721.76-1,405,086.24-226,748.60

Finding the Fourth Proportional to 936,721.76, 1,405,086.24 and 226,748.60

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Solution

The fourth proportional to 936,721.76, 1,405,086.24 and 226,748.60 is: 340,123.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,721.76 : 1,405,086.24 = 226,748.60 : x
  2. Step 2: Convert to fraction form
    936,721.76/1,405,086.24 = 226,748.60/x
  3. Step 3: Cross multiply
    936,721.76x = 1,405,086.24 × 226,748.60
  4. Step 4: Simplify right side
    936,721.76x = 318,601,337,799.26
  5. Step 5: Solve for x
    x = 318,601,337,799.26/936,721.76
  6. Step 6: Final answer
    x = 340,123.77

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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.