Finding the Fourth Proportional to 994,218.42, 1,371,584.98 and 671,811.06
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Solution
The fourth proportional to 994,218.42, 1,371,584.98 and 671,811.06 is: 926,804.35
Step by Step Solution
- Step 1: Write the proportion equation
994,218.42 : 1,371,584.98 = 671,811.06 : x - Step 2: Convert to fraction form
994,218.42/1,371,584.98 = 671,811.06/x - Step 3: Cross multiply
994,218.42x = 1,371,584.98 × 671,811.06 - Step 4: Simplify right side
994,218.42x = 921,445,959,293.88 - Step 5: Solve for x
x = 921,445,959,293.88/994,218.42 - Step 6: Final answer
x = 926,804.35
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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.