Finding the Fourth Proportional to 633,666.06, 874,458.99 and 347,197.02
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Solution
The fourth proportional to 633,666.06, 874,458.99 and 347,197.02 is: 479,131.79
Step by Step Solution
- Step 1: Write the proportion equation
633,666.06 : 874,458.99 = 347,197.02 : x - Step 2: Convert to fraction form
633,666.06/874,458.99 = 347,197.02/x - Step 3: Cross multiply
633,666.06x = 874,458.99 × 347,197.02 - Step 4: Simplify right side
633,666.06x = 303,609,555,440.21 - Step 5: Solve for x
x = 303,609,555,440.21/633,666.06 - Step 6: Final answer
x = 479,131.79
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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.