Finding the Fourth Proportional to 679,550.64, 1,019,364.84 and 206,251.44
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Solution
The fourth proportional to 679,550.64, 1,019,364.84 and 206,251.44 is: 309,388.96
Step by Step Solution
- Step 1: Write the proportion equation
679,550.64 : 1,019,364.84 = 206,251.44 : x - Step 2: Convert to fraction form
679,550.64/1,019,364.84 = 206,251.44/x - Step 3: Cross multiply
679,550.64x = 1,019,364.84 × 206,251.44 - Step 4: Simplify right side
679,550.64x = 210,245,466,135.37 - Step 5: Solve for x
x = 210,245,466,135.37/679,550.64 - Step 6: Final answer
x = 309,388.96
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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.