Home / 754,786.26-1,132,142.40-281,434.59

Finding the Fourth Proportional to 754,786.26, 1,132,142.40 and 281,434.59

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Solution

The fourth proportional to 754,786.26, 1,132,142.40 and 281,434.59 is: 422,138.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,786.26 : 1,132,142.40 = 281,434.59 : x
  2. Step 2: Convert to fraction form
    754,786.26/1,132,142.40 = 281,434.59/x
  3. Step 3: Cross multiply
    754,786.26x = 1,132,142.40 × 281,434.59
  4. Step 4: Simplify right side
    754,786.26x = 318,624,032,165.62
  5. Step 5: Solve for x
    x = 318,624,032,165.62/754,786.26
  6. Step 6: Final answer
    x = 422,138.09

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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.