Finding the Fourth Proportional to 804,990.66, 1,110,863.62 and 460,815.18
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Solution
The fourth proportional to 804,990.66, 1,110,863.62 and 460,815.18 is: 635,911.50
Step by Step Solution
- Step 1: Write the proportion equation
804,990.66 : 1,110,863.62 = 460,815.18 : x - Step 2: Convert to fraction form
804,990.66/1,110,863.62 = 460,815.18/x - Step 3: Cross multiply
804,990.66x = 1,110,863.62 × 460,815.18 - Step 4: Simplify right side
804,990.66x = 511,902,819,005.75 - Step 5: Solve for x
x = 511,902,819,005.75/804,990.66 - Step 6: Final answer
x = 635,911.50
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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.