Finding the Fourth Proportional to 902,058.14, 1,244,840.72 and 494,174.75
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Solution
The fourth proportional to 902,058.14, 1,244,840.72 and 494,174.75 is: 681,961.42
Step by Step Solution
- Step 1: Write the proportion equation
902,058.14 : 1,244,840.72 = 494,174.75 : x - Step 2: Convert to fraction form
902,058.14/1,244,840.72 = 494,174.75/x - Step 3: Cross multiply
902,058.14x = 1,244,840.72 × 494,174.75 - Step 4: Simplify right side
902,058.14x = 615,168,842,900.74 - Step 5: Solve for x
x = 615,168,842,900.74/902,058.14 - Step 6: Final answer
x = 681,961.42
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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.