Finding the Fourth Proportional to 902,181.36, 1,245,010.24 and 494,298.68
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Solution
The fourth proportional to 902,181.36, 1,245,010.24 and 494,298.68 is: 682,132.15
Step by Step Solution
- Step 1: Write the proportion equation
902,181.36 : 1,245,010.24 = 494,298.68 : x - Step 2: Convert to fraction form
902,181.36/1,245,010.24 = 494,298.68/x - Step 3: Cross multiply
902,181.36x = 1,245,010.24 × 494,298.68 - Step 4: Simplify right side
902,181.36x = 615,406,912,611.31 - Step 5: Solve for x
x = 615,406,912,611.31/902,181.36 - Step 6: Final answer
x = 682,132.15
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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.