Finding the Fourth Proportional to 699,101.38, 968,413.11 and 684,929.62
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Solution
The fourth proportional to 699,101.38, 968,413.11 and 684,929.62 is: 948,782.02
Step by Step Solution
- Step 1: Write the proportion equation
699,101.38 : 968,413.11 = 684,929.62 : x - Step 2: Convert to fraction form
699,101.38/968,413.11 = 684,929.62/x - Step 3: Cross multiply
699,101.38x = 968,413.11 × 684,929.62 - Step 4: Simplify right side
699,101.38x = 663,294,820,010.67 - Step 5: Solve for x
x = 663,294,820,010.67/699,101.38 - Step 6: Final answer
x = 948,782.02
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.