Finding the Fourth Proportional to 559,163.58, 771,618.32 and 317,413.84
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Solution
The fourth proportional to 559,163.58, 771,618.32 and 317,413.84 is: 438,015.53
Step by Step Solution
- Step 1: Write the proportion equation
559,163.58 : 771,618.32 = 317,413.84 : x - Step 2: Convert to fraction form
559,163.58/771,618.32 = 317,413.84/x - Step 3: Cross multiply
559,163.58x = 771,618.32 × 317,413.84 - Step 4: Simplify right side
559,163.58x = 244,922,333,965.55 - Step 5: Solve for x
x = 244,922,333,965.55/559,163.58 - Step 6: Final answer
x = 438,015.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.