Finding the Fourth Proportional to 994,265.42, 1,371,649.75 and 671,857.88
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Solution
The fourth proportional to 994,265.42, 1,371,649.75 and 671,857.88 is: 926,868.89
Step by Step Solution
- Step 1: Write the proportion equation
994,265.42 : 1,371,649.75 = 671,857.88 : x - Step 2: Convert to fraction form
994,265.42/1,371,649.75 = 671,857.88/x - Step 3: Cross multiply
994,265.42x = 1,371,649.75 × 671,857.88 - Step 4: Simplify right side
994,265.42x = 921,553,684,599.64 - Step 5: Solve for x
x = 921,553,684,599.64/994,265.42 - Step 6: Final answer
x = 926,868.89
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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.