Home / 669,938.09-1,004,900.58-270,571.77

Finding the Fourth Proportional to 669,938.09, 1,004,900.58 and 270,571.77

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Solution

The fourth proportional to 669,938.09, 1,004,900.58 and 270,571.77 is: 405,855.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,938.09 : 1,004,900.58 = 270,571.77 : x
  2. Step 2: Convert to fraction form
    669,938.09/1,004,900.58 = 270,571.77/x
  3. Step 3: Cross multiply
    669,938.09x = 1,004,900.58 × 270,571.77
  4. Step 4: Simplify right side
    669,938.09x = 271,897,728,604.63
  5. Step 5: Solve for x
    x = 271,897,728,604.63/669,938.09
  6. Step 6: Final answer
    x = 405,855.01

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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.