Home / 669,703.40-1,004,684.70-196,404.20

Finding the Fourth Proportional to 669,703.40, 1,004,684.70 and 196,404.20

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Solution

The fourth proportional to 669,703.40, 1,004,684.70 and 196,404.20 is: 294,644.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,703.40 : 1,004,684.70 = 196,404.20 : x
  2. Step 2: Convert to fraction form
    669,703.40/1,004,684.70 = 196,404.20/x
  3. Step 3: Cross multiply
    669,703.40x = 1,004,684.70 × 196,404.20
  4. Step 4: Simplify right side
    669,703.40x = 197,324,294,755.74
  5. Step 5: Solve for x
    x = 197,324,294,755.74/669,703.40
  6. Step 6: Final answer
    x = 294,644.31

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Double scale
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Similar ratio
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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.