Home / 829,455.62-1,244,400.96-260,813.66

Finding the Fourth Proportional to 829,455.62, 1,244,400.96 and 260,813.66

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Solution

The fourth proportional to 829,455.62, 1,244,400.96 and 260,813.66 is: 391,288.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,455.62 : 1,244,400.96 = 260,813.66 : x
  2. Step 2: Convert to fraction form
    829,455.62/1,244,400.96 = 260,813.66/x
  3. Step 3: Cross multiply
    829,455.62x = 1,244,400.96 × 260,813.66
  4. Step 4: Simplify right side
    829,455.62x = 324,556,768,885.11
  5. Step 5: Solve for x
    x = 324,556,768,885.11/829,455.62
  6. Step 6: Final answer
    x = 391,288.89

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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.