Finding the Fourth Proportional to 684,237.98, 1,026,399.18 and 263,514.26
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Solution
The fourth proportional to 684,237.98, 1,026,399.18 and 263,514.26 is: 395,287.65
Step by Step Solution
- Step 1: Write the proportion equation
684,237.98 : 1,026,399.18 = 263,514.26 : x - Step 2: Convert to fraction form
684,237.98/1,026,399.18 = 263,514.26/x - Step 3: Cross multiply
684,237.98x = 1,026,399.18 × 263,514.26 - Step 4: Simplify right side
684,237.98x = 270,470,820,382.31 - Step 5: Solve for x
x = 270,470,820,382.31/684,237.98 - Step 6: Final answer
x = 395,287.65
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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.