Finding the Fourth Proportional to 705,662.36, 973,833.99 and 399,738.65
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Solution
The fourth proportional to 705,662.36, 973,833.99 and 399,738.65 is: 551,650.62
Step by Step Solution
- Step 1: Write the proportion equation
705,662.36 : 973,833.99 = 399,738.65 : x - Step 2: Convert to fraction form
705,662.36/973,833.99 = 399,738.65/x - Step 3: Cross multiply
705,662.36x = 973,833.99 × 399,738.65 - Step 4: Simplify right side
705,662.36x = 389,279,083,596.34 - Step 5: Solve for x
x = 389,279,083,596.34/705,662.36 - Step 6: Final answer
x = 551,650.62
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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.