Finding the Fourth Proportional to 664,623.80, 996,935.70 and 327,825.80
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Solution
The fourth proportional to 664,623.80, 996,935.70 and 327,825.80 is: 491,738.70
Step by Step Solution
- Step 1: Write the proportion equation
664,623.80 : 996,935.70 = 327,825.80 : x - Step 2: Convert to fraction form
664,623.80/996,935.70 = 327,825.80/x - Step 3: Cross multiply
664,623.80x = 996,935.70 × 327,825.80 - Step 4: Simplify right side
664,623.80x = 326,821,243,401.06 - Step 5: Solve for x
x = 326,821,243,401.06/664,623.80 - Step 6: Final answer
x = 491,738.70
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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.