Finding the Fourth Proportional to 633,632.48, 874,412.84 and 347,163.44
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Solution
The fourth proportional to 633,632.48, 874,412.84 and 347,163.44 is: 479,085.56
Step by Step Solution
- Step 1: Write the proportion equation
633,632.48 : 874,412.84 = 347,163.44 : x - Step 2: Convert to fraction form
633,632.48/874,412.84 = 347,163.44/x - Step 3: Cross multiply
633,632.48x = 874,412.84 × 347,163.44 - Step 4: Simplify right side
633,632.48x = 303,564,169,514.57 - Step 5: Solve for x
x = 303,564,169,514.57/633,632.48 - Step 6: Final answer
x = 479,085.56
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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.