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Finding the Fourth Proportional to 670,480.25, 925,237.22 and 364,556.86

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Solution

The fourth proportional to 670,480.25, 925,237.22 and 364,556.86 is: 503,074.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,480.25 : 925,237.22 = 364,556.86 : x
  2. Step 2: Convert to fraction form
    670,480.25/925,237.22 = 364,556.86/x
  3. Step 3: Cross multiply
    670,480.25x = 925,237.22 × 364,556.86
  4. Step 4: Simplify right side
    670,480.25x = 337,301,571,542.45
  5. Step 5: Solve for x
    x = 337,301,571,542.45/670,480.25
  6. Step 6: Final answer
    x = 503,074.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.