Finding the Fourth Proportional to 633,668.06, 874,461.75 and 347,199.02
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Solution
The fourth proportional to 633,668.06, 874,461.75 and 347,199.02 is: 479,134.55
Step by Step Solution
- Step 1: Write the proportion equation
633,668.06 : 874,461.75 = 347,199.02 : x - Step 2: Convert to fraction form
633,668.06/874,461.75 = 347,199.02/x - Step 3: Cross multiply
633,668.06x = 874,461.75 × 347,199.02 - Step 4: Simplify right side
633,668.06x = 303,612,262,627.49 - Step 5: Solve for x
x = 303,612,262,627.49/633,668.06 - Step 6: Final answer
x = 479,134.55
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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.