Finding the Fourth Proportional to 994,217.04, 1,371,583.08 and 671,809.68
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Solution
The fourth proportional to 994,217.04, 1,371,583.08 and 671,809.68 is: 926,802.45
Step by Step Solution
- Step 1: Write the proportion equation
994,217.04 : 1,371,583.08 = 671,809.68 : x - Step 2: Convert to fraction form
994,217.04/1,371,583.08 = 671,809.68/x - Step 3: Cross multiply
994,217.04x = 1,371,583.08 × 671,809.68 - Step 4: Simplify right side
994,217.04x = 921,442,790,068.22 - Step 5: Solve for x
x = 921,442,790,068.22/994,217.04 - Step 6: Final answer
x = 926,802.45
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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.