Finding the Fourth Proportional to 843,381.93, 1,163,847.09 and 461,411.85
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Solution
The fourth proportional to 843,381.93, 1,163,847.09 and 461,411.85 is: 636,737.43
Step by Step Solution
- Step 1: Write the proportion equation
843,381.93 : 1,163,847.09 = 461,411.85 : x - Step 2: Convert to fraction form
843,381.93/1,163,847.09 = 461,411.85/x - Step 3: Cross multiply
843,381.93x = 1,163,847.09 × 461,411.85 - Step 4: Simplify right side
843,381.93x = 537,012,838,914.02 - Step 5: Solve for x
x = 537,012,838,914.02/843,381.93 - Step 6: Final answer
x = 636,737.43
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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.