Finding the Fourth Proportional to 983,990.26, 1,474,718.10 and 477,571.18
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Solution
The fourth proportional to 983,990.26, 1,474,718.10 and 477,571.18 is: 715,741.70
Step by Step Solution
- Step 1: Write the proportion equation
983,990.26 : 1,474,718.10 = 477,571.18 : x - Step 2: Convert to fraction form
983,990.26/1,474,718.10 = 477,571.18/x - Step 3: Cross multiply
983,990.26x = 1,474,718.10 × 477,571.18 - Step 4: Simplify right side
983,990.26x = 704,282,863,184.36 - Step 5: Solve for x
x = 704,282,863,184.36/983,990.26 - Step 6: Final answer
x = 715,741.70
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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.