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Finding the Fourth Proportional to 609,836.54, 914,900.13 and 210,480.75

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Solution

The fourth proportional to 609,836.54, 914,900.13 and 210,480.75 is: 315,771.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,836.54 : 914,900.13 = 210,480.75 : x
  2. Step 2: Convert to fraction form
    609,836.54/914,900.13 = 210,480.75/x
  3. Step 3: Cross multiply
    609,836.54x = 914,900.13 × 210,480.75
  4. Step 4: Simplify right side
    609,836.54x = 192,568,865,537.50
  5. Step 5: Solve for x
    x = 192,568,865,537.50/609,836.54
  6. Step 6: Final answer
    x = 315,771.28

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1.5x scale

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.