Home / 858,299.60-1,286,527.80-325,614.80

Finding the Fourth Proportional to 858,299.60, 1,286,527.80 and 325,614.80

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Solution

The fourth proportional to 858,299.60, 1,286,527.80 and 325,614.80 is: 488,072.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,299.60 : 1,286,527.80 = 325,614.80 : x
  2. Step 2: Convert to fraction form
    858,299.60/1,286,527.80 = 325,614.80/x
  3. Step 3: Cross multiply
    858,299.60x = 1,286,527.80 × 325,614.80
  4. Step 4: Simplify right side
    858,299.60x = 418,912,492,291.44
  5. Step 5: Solve for x
    x = 418,912,492,291.44/858,299.60
  6. Step 6: Final answer
    x = 488,072.57

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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.