Finding the Fourth Proportional to 771,608.97, 1,157,413.59 and 322,084.62
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Solution
The fourth proportional to 771,608.97, 1,157,413.59 and 322,084.62 is: 483,126.99
Step by Step Solution
- Step 1: Write the proportion equation
771,608.97 : 1,157,413.59 = 322,084.62 : x - Step 2: Convert to fraction form
771,608.97/1,157,413.59 = 322,084.62/x - Step 3: Cross multiply
771,608.97x = 1,157,413.59 × 322,084.62 - Step 4: Simplify right side
771,608.97x = 372,785,116,317.99 - Step 5: Solve for x
x = 372,785,116,317.99/771,608.97 - Step 6: Final answer
x = 483,126.99
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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.