Finding the Fourth Proportional to 816,046.40, 1,125,815.19 and 493,195.99
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Solution
The fourth proportional to 816,046.40, 1,125,815.19 and 493,195.99 is: 680,411.72
Step by Step Solution
- Step 1: Write the proportion equation
816,046.40 : 1,125,815.19 = 493,195.99 : x - Step 2: Convert to fraction form
816,046.40/1,125,815.19 = 493,195.99/x - Step 3: Cross multiply
816,046.40x = 1,125,815.19 × 493,195.99 - Step 4: Simplify right side
816,046.40x = 555,247,537,189.09 - Step 5: Solve for x
x = 555,247,537,189.09/816,046.40 - Step 6: Final answer
x = 680,411.72
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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.