Finding the Fourth Proportional to 902,316.56, 1,245,197.15 and 494,415.09
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Solution
The fourth proportional to 902,316.56, 1,245,197.15 and 494,415.09 is: 682,292.99
Step by Step Solution
- Step 1: Write the proportion equation
902,316.56 : 1,245,197.15 = 494,415.09 : x - Step 2: Convert to fraction form
902,316.56/1,245,197.15 = 494,415.09/x - Step 3: Cross multiply
902,316.56x = 1,245,197.15 × 494,415.09 - Step 4: Simplify right side
902,316.56x = 615,644,263,148.06 - Step 5: Solve for x
x = 615,644,263,148.06/902,316.56 - Step 6: Final answer
x = 682,292.99
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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.