Home / 690,093.60-1,035,529.20-269,314.80

Finding the Fourth Proportional to 690,093.60, 1,035,529.20 and 269,314.80

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Solution

The fourth proportional to 690,093.60, 1,035,529.20 and 269,314.80 is: 404,123.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,093.60 : 1,035,529.20 = 269,314.80 : x
  2. Step 2: Convert to fraction form
    690,093.60/1,035,529.20 = 269,314.80/x
  3. Step 3: Cross multiply
    690,093.60x = 1,035,529.20 × 269,314.80
  4. Step 4: Simplify right side
    690,093.60x = 278,883,339,392.16
  5. Step 5: Solve for x
    x = 278,883,339,392.16/690,093.60
  6. Step 6: Final answer
    x = 404,123.93

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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.