Home / 427,816.24-590,786.46-275,119.60

Finding the Fourth Proportional to 427,816.24, 590,786.46 and 275,119.60

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Solution

The fourth proportional to 427,816.24, 590,786.46 and 275,119.60 is: 379,922.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,816.24 : 590,786.46 = 275,119.60 : x
  2. Step 2: Convert to fraction form
    427,816.24/590,786.46 = 275,119.60/x
  3. Step 3: Cross multiply
    427,816.24x = 590,786.46 × 275,119.60
  4. Step 4: Simplify right side
    427,816.24x = 162,536,934,560.62
  5. Step 5: Solve for x
    x = 162,536,934,560.62/427,816.24
  6. Step 6: Final answer
    x = 379,922.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.