Finding the Fourth Proportional to 678,902.99, 936,902.63 and 372,999.18
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Solution
The fourth proportional to 678,902.99, 936,902.63 and 372,999.18 is: 514,747.94
Step by Step Solution
- Step 1: Write the proportion equation
678,902.99 : 936,902.63 = 372,999.18 : x - Step 2: Convert to fraction form
678,902.99/936,902.63 = 372,999.18/x - Step 3: Cross multiply
678,902.99x = 936,902.63 × 372,999.18 - Step 4: Simplify right side
678,902.99x = 349,463,910,864.85 - Step 5: Solve for x
x = 349,463,910,864.85/678,902.99 - Step 6: Final answer
x = 514,747.94
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.