Finding the Fourth Proportional to 555,413.44, 766,470.36 and 300,764.56
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Solution
The fourth proportional to 555,413.44, 766,470.36 and 300,764.56 is: 415,054.99
Step by Step Solution
- Step 1: Write the proportion equation
555,413.44 : 766,470.36 = 300,764.56 : x - Step 2: Convert to fraction form
555,413.44/766,470.36 = 300,764.56/x - Step 3: Cross multiply
555,413.44x = 766,470.36 × 300,764.56 - Step 4: Simplify right side
555,413.44x = 230,527,120,578.44 - Step 5: Solve for x
x = 230,527,120,578.44/555,413.44 - Step 6: Final answer
x = 415,054.99
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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.