Finding the Fourth Proportional to 816,663.25, 1,226,121.18 and 563,343.04
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Solution
The fourth proportional to 816,663.25, 1,226,121.18 and 563,343.04 is: 845,791.50
Step by Step Solution
- Step 1: Write the proportion equation
816,663.25 : 1,226,121.18 = 563,343.04 : x - Step 2: Convert to fraction form
816,663.25/1,226,121.18 = 563,343.04/x - Step 3: Cross multiply
816,663.25x = 1,226,121.18 × 563,343.04 - Step 4: Simplify right side
816,663.25x = 690,726,832,949.59 - Step 5: Solve for x
x = 690,726,832,949.59/816,663.25 - Step 6: Final answer
x = 845,791.50
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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.