Finding the Fourth Proportional to 654,270.71, 902,759.99 and 382,286.03
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Solution
The fourth proportional to 654,270.71, 902,759.99 and 382,286.03 is: 527,476.66
Step by Step Solution
- Step 1: Write the proportion equation
654,270.71 : 902,759.99 = 382,286.03 : x - Step 2: Convert to fraction form
654,270.71/902,759.99 = 382,286.03/x - Step 3: Cross multiply
654,270.71x = 902,759.99 × 382,286.03 - Step 4: Simplify right side
654,270.71x = 345,112,526,194.71 - Step 5: Solve for x
x = 345,112,526,194.71/654,270.71 - Step 6: Final answer
x = 527,476.66
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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.