Home / 669,168.09-1,003,910.09-219,890.25

Finding the Fourth Proportional to 669,168.09, 1,003,910.09 and 219,890.25

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Solution

The fourth proportional to 669,168.09, 1,003,910.09 and 219,890.25 is: 329,887.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,168.09 : 1,003,910.09 = 219,890.25 : x
  2. Step 2: Convert to fraction form
    669,168.09/1,003,910.09 = 219,890.25/x
  3. Step 3: Cross multiply
    669,168.09x = 1,003,910.09 × 219,890.25
  4. Step 4: Simplify right side
    669,168.09x = 220,750,039,568.17
  5. Step 5: Solve for x
    x = 220,750,039,568.17/669,168.09
  6. Step 6: Final answer
    x = 329,887.28

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Double scale
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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.