Finding the Fourth Proportional to 918,053.63, 1,376,236.02 and 491,882.66
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Solution
The fourth proportional to 918,053.63, 1,376,236.02 and 491,882.66 is: 737,371.55
Step by Step Solution
- Step 1: Write the proportion equation
918,053.63 : 1,376,236.02 = 491,882.66 : x - Step 2: Convert to fraction form
918,053.63/1,376,236.02 = 491,882.66/x - Step 3: Cross multiply
918,053.63x = 1,376,236.02 × 491,882.66 - Step 4: Simplify right side
918,053.63x = 676,946,631,662.84 - Step 5: Solve for x
x = 676,946,631,662.84/918,053.63 - Step 6: Final answer
x = 737,371.55
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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.