Finding the Fourth Proportional to 743,836, 1,026,489.84 and 404,306.08
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Solution
The fourth proportional to 743,836, 1,026,489.84 and 404,306.08 is: 557,940.30
Step by Step Solution
- Step 1: Write the proportion equation
743,836 : 1,026,489.84 = 404,306.08 : x - Step 2: Convert to fraction form
743,836/1,026,489.84 = 404,306.08/x - Step 3: Cross multiply
743,836x = 1,026,489.84 × 404,306.08 - Step 4: Simplify right side
743,836x = 415,016,083,370.23 - Step 5: Solve for x
x = 415,016,083,370.23/743,836 - Step 6: Final answer
x = 557,940.30
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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.