Finding the Fourth Proportional to 843,380.10, 1,163,877.66 and 461,413.26
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Solution
The fourth proportional to 843,380.10, 1,163,877.66 and 461,413.26 is: 636,757.48
Step by Step Solution
- Step 1: Write the proportion equation
843,380.10 : 1,163,877.66 = 461,413.26 : x - Step 2: Convert to fraction form
843,380.10/1,163,877.66 = 461,413.26/x - Step 3: Cross multiply
843,380.10x = 1,163,877.66 × 461,413.26 - Step 4: Simplify right side
843,380.10x = 537,028,585,341.77 - Step 5: Solve for x
x = 537,028,585,341.77/843,380.10 - Step 6: Final answer
x = 636,757.48
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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.