Home / 502,512.26-693,576.27-309,086.28

Finding the Fourth Proportional to 502,512.26, 693,576.27 and 309,086.28

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Solution

The fourth proportional to 502,512.26, 693,576.27 and 309,086.28 is: 426,606.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,512.26 : 693,576.27 = 309,086.28 : x
  2. Step 2: Convert to fraction form
    502,512.26/693,576.27 = 309,086.28/x
  3. Step 3: Cross multiply
    502,512.26x = 693,576.27 × 309,086.28
  4. Step 4: Simplify right side
    502,512.26x = 214,374,909,190.58
  5. Step 5: Solve for x
    x = 214,374,909,190.58/502,512.26
  6. Step 6: Final answer
    x = 426,606.33

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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.