Finding the Fourth Proportional to 902,321.57, 1,245,204.06 and 494,420.09
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Solution
The fourth proportional to 902,321.57, 1,245,204.06 and 494,420.09 is: 682,299.88
Step by Step Solution
- Step 1: Write the proportion equation
902,321.57 : 1,245,204.06 = 494,420.09 : x - Step 2: Convert to fraction form
902,321.57/1,245,204.06 = 494,420.09/x - Step 3: Cross multiply
902,321.57x = 1,245,204.06 × 494,420.09 - Step 4: Simplify right side
902,321.57x = 615,653,903,413.57 - Step 5: Solve for x
x = 615,653,903,413.57/902,321.57 - Step 6: Final answer
x = 682,299.88
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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.