Finding the Fourth Proportional to 1,056,879.36, 1,585,460.16 and 308,914.56
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Solution
The fourth proportional to 1,056,879.36, 1,585,460.16 and 308,914.56 is: 463,413.09
Step by Step Solution
- Step 1: Write the proportion equation
1,056,879.36 : 1,585,460.16 = 308,914.56 : x - Step 2: Convert to fraction form
1,056,879.36/1,585,460.16 = 308,914.56/x - Step 3: Cross multiply
1,056,879.36x = 1,585,460.16 × 308,914.56 - Step 4: Simplify right side
1,056,879.36x = 489,771,727,723.93 - Step 5: Solve for x
x = 489,771,727,723.93/1,056,879.36 - Step 6: Final answer
x = 463,413.09
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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.