Finding the Fourth Proportional to 902,186.84, 1,245,017.82 and 494,304.13
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Solution
The fourth proportional to 902,186.84, 1,245,017.82 and 494,304.13 is: 682,139.68
Step by Step Solution
- Step 1: Write the proportion equation
902,186.84 : 1,245,017.82 = 494,304.13 : x - Step 2: Convert to fraction form
902,186.84/1,245,017.82 = 494,304.13/x - Step 3: Cross multiply
902,186.84x = 1,245,017.82 × 494,304.13 - Step 4: Simplify right side
902,186.84x = 615,417,446,087.21 - Step 5: Solve for x
x = 615,417,446,087.21/902,186.84 - Step 6: Final answer
x = 682,139.68
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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.