Finding the Fourth Proportional to 945,413.55, 1,416,937.73 and 472,230.99
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Solution
The fourth proportional to 945,413.55, 1,416,937.73 and 472,230.99 is: 707,755.78
Step by Step Solution
- Step 1: Write the proportion equation
945,413.55 : 1,416,937.73 = 472,230.99 : x - Step 2: Convert to fraction form
945,413.55/1,416,937.73 = 472,230.99/x - Step 3: Cross multiply
945,413.55x = 1,416,937.73 × 472,230.99 - Step 4: Simplify right side
945,413.55x = 669,121,904,645.10 - Step 5: Solve for x
x = 669,121,904,645.10/945,413.55 - Step 6: Final answer
x = 707,755.78
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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.