Finding the Fourth Proportional to 626,413.84, 864,453.36 and 339,933.85
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Solution
The fourth proportional to 626,413.84, 864,453.36 and 339,933.85 is: 469,109.94
Step by Step Solution
- Step 1: Write the proportion equation
626,413.84 : 864,453.36 = 339,933.85 : x - Step 2: Convert to fraction form
626,413.84/864,453.36 = 339,933.85/x - Step 3: Cross multiply
626,413.84x = 864,453.36 × 339,933.85 - Step 4: Simplify right side
626,413.84x = 293,856,958,810.24 - Step 5: Solve for x
x = 293,856,958,810.24/626,413.84 - Step 6: Final answer
x = 469,109.94
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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.