Finding the Fourth Proportional to 843,172.84, 1,163,549.01 and 480,713.41
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Solution
The fourth proportional to 843,172.84, 1,163,549.01 and 480,713.41 is: 663,367.68
Step by Step Solution
- Step 1: Write the proportion equation
843,172.84 : 1,163,549.01 = 480,713.41 : x - Step 2: Convert to fraction form
843,172.84/1,163,549.01 = 480,713.41/x - Step 3: Cross multiply
843,172.84x = 1,163,549.01 × 480,713.41 - Step 4: Simplify right side
843,172.84x = 559,333,612,299.22 - Step 5: Solve for x
x = 559,333,612,299.22/843,172.84 - Step 6: Final answer
x = 663,367.68
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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.