Finding the Fourth Proportional to 844,203.40, 1,265,845.80 and 304,386.18
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Solution
The fourth proportional to 844,203.40, 1,265,845.80 and 304,386.18 is: 456,413.66
Step by Step Solution
- Step 1: Write the proportion equation
844,203.40 : 1,265,845.80 = 304,386.18 : x - Step 2: Convert to fraction form
844,203.40/1,265,845.80 = 304,386.18/x - Step 3: Cross multiply
844,203.40x = 1,265,845.80 × 304,386.18 - Step 4: Simplify right side
844,203.40x = 385,305,967,531.04 - Step 5: Solve for x
x = 385,305,967,531.04/844,203.40 - Step 6: Final answer
x = 456,413.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.