Finding the Fourth Proportional to 880,413.36, 1,320,413.64 and 281,428.08
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Solution
The fourth proportional to 880,413.36, 1,320,413.64 and 281,428.08 is: 422,076.14
Step by Step Solution
- Step 1: Write the proportion equation
880,413.36 : 1,320,413.64 = 281,428.08 : x - Step 2: Convert to fraction form
880,413.36/1,320,413.64 = 281,428.08/x - Step 3: Cross multiply
880,413.36x = 1,320,413.64 × 281,428.08 - Step 4: Simplify right side
880,413.36x = 371,601,475,511.01 - Step 5: Solve for x
x = 371,601,475,511.01/880,413.36 - Step 6: Final answer
x = 422,076.14
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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.