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Finding the Fourth Proportional to 446,556.74, 669,135 and 379,722.02

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Solution

The fourth proportional to 446,556.74, 669,135 and 379,722.02 is: 568,987.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,556.74 : 669,135 = 379,722.02 : x
  2. Step 2: Convert to fraction form
    446,556.74/669,135 = 379,722.02/x
  3. Step 3: Cross multiply
    446,556.74x = 669,135 × 379,722.02
  4. Step 4: Simplify right side
    446,556.74x = 254,085,293,852.70
  5. Step 5: Solve for x
    x = 254,085,293,852.70/446,556.74
  6. Step 6: Final answer
    x = 568,987.70

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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.