Finding the Fourth Proportional to 484,676.80, 727,792.80 and 327,601.60
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Solution
The fourth proportional to 484,676.80, 727,792.80 and 327,601.60 is: 491,927.99
Step by Step Solution
- Step 1: Write the proportion equation
484,676.80 : 727,792.80 = 327,601.60 : x - Step 2: Convert to fraction form
484,676.80/727,792.80 = 327,601.60/x - Step 3: Cross multiply
484,676.80x = 727,792.80 × 327,601.60 - Step 4: Simplify right side
484,676.80x = 238,426,085,748.48 - Step 5: Solve for x
x = 238,426,085,748.48/484,676.80 - Step 6: Final answer
x = 491,927.99
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1.5x scale
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.