Finding the Fourth Proportional to 990,532.75, 1,485,802.77 and 242,578.75
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Solution
The fourth proportional to 990,532.75, 1,485,802.77 and 242,578.75 is: 363,869.02
Step by Step Solution
- Step 1: Write the proportion equation
990,532.75 : 1,485,802.77 = 242,578.75 : x - Step 2: Convert to fraction form
990,532.75/1,485,802.77 = 242,578.75/x - Step 3: Cross multiply
990,532.75x = 1,485,802.77 × 242,578.75 - Step 4: Simplify right side
990,532.75x = 360,424,178,693.14 - Step 5: Solve for x
x = 360,424,178,693.14/990,532.75 - Step 6: Final answer
x = 363,869.02
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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.