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Finding the Fourth Proportional to 567,847.26, 783,623.97 and 313,200.27

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Solution

The fourth proportional to 567,847.26, 783,623.97 and 313,200.27 is: 432,213.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,847.26 : 783,623.97 = 313,200.27 : x
  2. Step 2: Convert to fraction form
    567,847.26/783,623.97 = 313,200.27/x
  3. Step 3: Cross multiply
    567,847.26x = 783,623.97 × 313,200.27
  4. Step 4: Simplify right side
    567,847.26x = 245,431,238,982.47
  5. Step 5: Solve for x
    x = 245,431,238,982.47/567,847.26
  6. Step 6: Final answer
    x = 432,213.48

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1.5x scale

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.