Finding the Fourth Proportional to 902,062.16, 1,244,847.30 and 494,155.08
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Solution
The fourth proportional to 902,062.16, 1,244,847.30 and 494,155.08 is: 681,934.84
Step by Step Solution
- Step 1: Write the proportion equation
902,062.16 : 1,244,847.30 = 494,155.08 : x - Step 2: Convert to fraction form
902,062.16/1,244,847.30 = 494,155.08/x - Step 3: Cross multiply
902,062.16x = 1,244,847.30 × 494,155.08 - Step 4: Simplify right side
902,062.16x = 615,147,617,119.28 - Step 5: Solve for x
x = 615,147,617,119.28/902,062.16 - Step 6: Final answer
x = 681,934.84
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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.