Home / 902,755.94-1,245,841.36-515,635.06

Finding the Fourth Proportional to 902,755.94, 1,245,841.36 and 515,635.06

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Solution

The fourth proportional to 902,755.94, 1,245,841.36 and 515,635.06 is: 711,598.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,755.94 : 1,245,841.36 = 515,635.06 : x
  2. Step 2: Convert to fraction form
    902,755.94/1,245,841.36 = 515,635.06/x
  3. Step 3: Cross multiply
    902,755.94x = 1,245,841.36 × 515,635.06
  4. Step 4: Simplify right side
    902,755.94x = 642,399,484,414.08
  5. Step 5: Solve for x
    x = 642,399,484,414.08/902,755.94
  6. Step 6: Final answer
    x = 711,598.18

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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.