Finding the Fourth Proportional to 414,743.70, 622,115.55 and 405,527.70
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Solution
The fourth proportional to 414,743.70, 622,115.55 and 405,527.70 is: 608,291.55
Step by Step Solution
- Step 1: Write the proportion equation
414,743.70 : 622,115.55 = 405,527.70 : x - Step 2: Convert to fraction form
414,743.70/622,115.55 = 405,527.70/x - Step 3: Cross multiply
414,743.70x = 622,115.55 × 405,527.70 - Step 4: Simplify right side
414,743.70x = 252,285,088,125.74 - Step 5: Solve for x
x = 252,285,088,125.74/414,743.70 - Step 6: Final answer
x = 608,291.55
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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.