Home / 840,850.43-1,258,092.29-515,481.32

Finding the Fourth Proportional to 840,850.43, 1,258,092.29 and 515,481.32

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Solution

The fourth proportional to 840,850.43, 1,258,092.29 and 515,481.32 is: 771,270.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,850.43 : 1,258,092.29 = 515,481.32 : x
  2. Step 2: Convert to fraction form
    840,850.43/1,258,092.29 = 515,481.32/x
  3. Step 3: Cross multiply
    840,850.43x = 1,258,092.29 × 515,481.32
  4. Step 4: Simplify right side
    840,850.43x = 648,523,065,463.16
  5. Step 5: Solve for x
    x = 648,523,065,463.16/840,850.43
  6. Step 6: Final answer
    x = 771,270.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.