Finding the Fourth Proportional to 665,007.80, 996,831.30 and 327,529.40
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Solution
The fourth proportional to 665,007.80, 996,831.30 and 327,529.40 is: 490,958.99
Step by Step Solution
- Step 1: Write the proportion equation
665,007.80 : 996,831.30 = 327,529.40 : x - Step 2: Convert to fraction form
665,007.80/996,831.30 = 327,529.40/x - Step 3: Cross multiply
665,007.80x = 996,831.30 × 327,529.40 - Step 4: Simplify right side
665,007.80x = 326,491,557,590.22 - Step 5: Solve for x
x = 326,491,557,590.22/665,007.80 - Step 6: Final answer
x = 490,958.99
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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.