Finding the Fourth Proportional to 772,939.94, 1,158,227.48 and 413,161.97
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Solution
The fourth proportional to 772,939.94, 1,158,227.48 and 413,161.97 is: 619,110.90
Step by Step Solution
- Step 1: Write the proportion equation
772,939.94 : 1,158,227.48 = 413,161.97 : x - Step 2: Convert to fraction form
772,939.94/1,158,227.48 = 413,161.97/x - Step 3: Cross multiply
772,939.94x = 1,158,227.48 × 413,161.97 - Step 4: Simplify right side
772,939.94x = 478,535,542,586.70 - Step 5: Solve for x
x = 478,535,542,586.70/772,939.94 - Step 6: Final answer
x = 619,110.90
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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.