Finding the Fourth Proportional to 983,571.99, 1,474,482.70 and 384,396.90
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Solution
The fourth proportional to 983,571.99, 1,474,482.70 and 384,396.90 is: 576,253.27
Step by Step Solution
- Step 1: Write the proportion equation
983,571.99 : 1,474,482.70 = 384,396.90 : x - Step 2: Convert to fraction form
983,571.99/1,474,482.70 = 384,396.90/x - Step 3: Cross multiply
983,571.99x = 1,474,482.70 × 384,396.90 - Step 4: Simplify right side
983,571.99x = 566,786,578,983.63 - Step 5: Solve for x
x = 566,786,578,983.63/983,571.99 - Step 6: Final answer
x = 576,253.27
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.