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Finding the Fourth Proportional to 624,293.22, 861,523.29 and 337,813.20

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Solution

The fourth proportional to 624,293.22, 861,523.29 and 337,813.20 is: 466,181.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,293.22 : 861,523.29 = 337,813.20 : x
  2. Step 2: Convert to fraction form
    624,293.22/861,523.29 = 337,813.20/x
  3. Step 3: Cross multiply
    624,293.22x = 861,523.29 × 337,813.20
  4. Step 4: Simplify right side
    624,293.22x = 291,033,939,469.43
  5. Step 5: Solve for x
    x = 291,033,939,469.43/624,293.22
  6. Step 6: Final answer
    x = 466,181.48

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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.