Finding the Fourth Proportional to 757,078.88, 1,135,832.83 and 308,121.98
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Solution
The fourth proportional to 757,078.88, 1,135,832.83 and 308,121.98 is: 462,270.27
Step by Step Solution
- Step 1: Write the proportion equation
757,078.88 : 1,135,832.83 = 308,121.98 : x - Step 2: Convert to fraction form
757,078.88/1,135,832.83 = 308,121.98/x - Step 3: Cross multiply
757,078.88x = 1,135,832.83 × 308,121.98 - Step 4: Simplify right side
757,078.88x = 349,975,054,079.13 - Step 5: Solve for x
x = 349,975,054,079.13/757,078.88 - Step 6: Final answer
x = 462,270.27
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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.