Finding the Fourth Proportional to 823,472.85, 1,136,133.49 and 460,839.09
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Solution
The fourth proportional to 823,472.85, 1,136,133.49 and 460,839.09 is: 635,812.97
Step by Step Solution
- Step 1: Write the proportion equation
823,472.85 : 1,136,133.49 = 460,839.09 : x - Step 2: Convert to fraction form
823,472.85/1,136,133.49 = 460,839.09/x - Step 3: Cross multiply
823,472.85x = 1,136,133.49 × 460,839.09 - Step 4: Simplify right side
823,472.85x = 523,574,721,345.93 - Step 5: Solve for x
x = 523,574,721,345.93/823,472.85 - Step 6: Final answer
x = 635,812.97
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.