Finding the Fourth Proportional to 843,902.99, 1,265,718.04 and 311,674.67
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Solution
The fourth proportional to 843,902.99, 1,265,718.04 and 311,674.67 is: 467,461.61
Step by Step Solution
- Step 1: Write the proportion equation
843,902.99 : 1,265,718.04 = 311,674.67 : x - Step 2: Convert to fraction form
843,902.99/1,265,718.04 = 311,674.67/x - Step 3: Cross multiply
843,902.99x = 1,265,718.04 × 311,674.67 - Step 4: Simplify right side
843,902.99x = 394,492,252,430.05 - Step 5: Solve for x
x = 394,492,252,430.05/843,902.99 - Step 6: Final answer
x = 467,461.61
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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.