Finding the Fourth Proportional to 823,941.99, 1,236,583.43 and 424,696.94
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Solution
The fourth proportional to 823,941.99, 1,236,583.43 and 424,696.94 is: 637,390.99
Step by Step Solution
- Step 1: Write the proportion equation
823,941.99 : 1,236,583.43 = 424,696.94 : x - Step 2: Convert to fraction form
823,941.99/1,236,583.43 = 424,696.94/x - Step 3: Cross multiply
823,941.99x = 1,236,583.43 × 424,696.94 - Step 4: Simplify right side
823,941.99x = 525,173,196,699.10 - Step 5: Solve for x
x = 525,173,196,699.10/823,941.99 - Step 6: Final answer
x = 637,390.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.