Finding the Fourth Proportional to 843,199.84, 1,163,591.04 and 461,218.40
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Solution
The fourth proportional to 843,199.84, 1,163,591.04 and 461,218.40 is: 636,467.86
Step by Step Solution
- Step 1: Write the proportion equation
843,199.84 : 1,163,591.04 = 461,218.40 : x - Step 2: Convert to fraction form
843,199.84/1,163,591.04 = 461,218.40/x - Step 3: Cross multiply
843,199.84x = 1,163,591.04 × 461,218.40 - Step 4: Simplify right side
843,199.84x = 536,669,597,723.14 - Step 5: Solve for x
x = 536,669,597,723.14/843,199.84 - Step 6: Final answer
x = 636,467.86
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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.