Home / 758,819.79-1,138,379.13-226,329.03

Finding the Fourth Proportional to 758,819.79, 1,138,379.13 and 226,329.03

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Solution

The fourth proportional to 758,819.79, 1,138,379.13 and 226,329.03 is: 339,538.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,819.79 : 1,138,379.13 = 226,329.03 : x
  2. Step 2: Convert to fraction form
    758,819.79/1,138,379.13 = 226,329.03/x
  3. Step 3: Cross multiply
    758,819.79x = 1,138,379.13 × 226,329.03
  4. Step 4: Simplify right side
    758,819.79x = 257,648,244,265.14
  5. Step 5: Solve for x
    x = 257,648,244,265.14/758,819.79
  6. Step 6: Final answer
    x = 339,538.12

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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.