Home / 810,704.43-1,216,106.79-271,009.27

Finding the Fourth Proportional to 810,704.43, 1,216,106.79 and 271,009.27

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Solution

The fourth proportional to 810,704.43, 1,216,106.79 and 271,009.27 is: 406,530.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,704.43 : 1,216,106.79 = 271,009.27 : x
  2. Step 2: Convert to fraction form
    810,704.43/1,216,106.79 = 271,009.27/x
  3. Step 3: Cross multiply
    810,704.43x = 1,216,106.79 × 271,009.27
  4. Step 4: Simplify right side
    810,704.43x = 329,576,213,399.94
  5. Step 5: Solve for x
    x = 329,576,213,399.94/810,704.43
  6. Step 6: Final answer
    x = 406,530.67

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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.