Home / 829,898.80-1,244,556.60-380,834.80

Finding the Fourth Proportional to 829,898.80, 1,244,556.60 and 380,834.80

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Solution

The fourth proportional to 829,898.80, 1,244,556.60 and 380,834.80 is: 571,118.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,898.80 : 1,244,556.60 = 380,834.80 : x
  2. Step 2: Convert to fraction form
    829,898.80/1,244,556.60 = 380,834.80/x
  3. Step 3: Cross multiply
    829,898.80x = 1,244,556.60 × 380,834.80
  4. Step 4: Simplify right side
    829,898.80x = 473,970,463,849.68
  5. Step 5: Solve for x
    x = 473,970,463,849.68/829,898.80
  6. Step 6: Final answer
    x = 571,118.39

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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.