Home / 463,984.24-640,287.56-270,379.60

Finding the Fourth Proportional to 463,984.24, 640,287.56 and 270,379.60

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Solution

The fourth proportional to 463,984.24, 640,287.56 and 270,379.60 is: 373,117.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,984.24 : 640,287.56 = 270,379.60 : x
  2. Step 2: Convert to fraction form
    463,984.24/640,287.56 = 270,379.60/x
  3. Step 3: Cross multiply
    463,984.24x = 640,287.56 × 270,379.60
  4. Step 4: Simplify right side
    463,984.24x = 173,120,694,357.78
  5. Step 5: Solve for x
    x = 173,120,694,357.78/463,984.24
  6. Step 6: Final answer
    x = 373,117.62

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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.