Finding the Fourth Proportional to 990,433.53, 1,485,453.42 and 484,777.26
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Solution
The fourth proportional to 990,433.53, 1,485,453.42 and 484,777.26 is: 727,069.53
Step by Step Solution
- Step 1: Write the proportion equation
990,433.53 : 1,485,453.42 = 484,777.26 : x - Step 2: Convert to fraction form
990,433.53/1,485,453.42 = 484,777.26/x - Step 3: Cross multiply
990,433.53x = 1,485,453.42 × 484,777.26 - Step 4: Simplify right side
990,433.53x = 720,114,038,805.23 - Step 5: Solve for x
x = 720,114,038,805.23/990,433.53 - Step 6: Final answer
x = 727,069.53
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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.