Finding the Fourth Proportional to 770,773.62, 1,063,578.81 and 444,134.25
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Solution
The fourth proportional to 770,773.62, 1,063,578.81 and 444,134.25 is: 612,854.11
Step by Step Solution
- Step 1: Write the proportion equation
770,773.62 : 1,063,578.81 = 444,134.25 : x - Step 2: Convert to fraction form
770,773.62/1,063,578.81 = 444,134.25/x - Step 3: Cross multiply
770,773.62x = 1,063,578.81 × 444,134.25 - Step 4: Simplify right side
770,773.62x = 472,371,777,095.24 - Step 5: Solve for x
x = 472,371,777,095.24/770,773.62 - Step 6: Final answer
x = 612,854.11
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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.