Finding the Fourth Proportional to 665,052.10, 996,922.05 and 327,816.70
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Solution
The fourth proportional to 665,052.10, 996,922.05 and 327,816.70 is: 491,401.65
Step by Step Solution
- Step 1: Write the proportion equation
665,052.10 : 996,922.05 = 327,816.70 : x - Step 2: Convert to fraction form
665,052.10/996,922.05 = 327,816.70/x - Step 3: Cross multiply
665,052.10x = 996,922.05 × 327,816.70 - Step 4: Simplify right side
665,052.10x = 326,807,696,588.24 - Step 5: Solve for x
x = 326,807,696,588.24/665,052.10 - Step 6: Final answer
x = 491,401.65
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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.