Home / 890,469.96-1,228,849.60-482,571.80

Finding the Fourth Proportional to 890,469.96, 1,228,849.60 and 482,571.80

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Solution

The fourth proportional to 890,469.96, 1,228,849.60 and 482,571.80 is: 665,949.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,469.96 : 1,228,849.60 = 482,571.80 : x
  2. Step 2: Convert to fraction form
    890,469.96/1,228,849.60 = 482,571.80/x
  3. Step 3: Cross multiply
    890,469.96x = 1,228,849.60 × 482,571.80
  4. Step 4: Simplify right side
    890,469.96x = 593,008,154,844.17
  5. Step 5: Solve for x
    x = 593,008,154,844.17/890,469.96
  6. Step 6: Final answer
    x = 665,949.65

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Double scale
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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.