Finding the Fourth Proportional to 755,768.16, 1,133,258.58 and 282,063.96
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Solution
The fourth proportional to 755,768.16, 1,133,258.58 and 282,063.96 is: 422,949.02
Step by Step Solution
- Step 1: Write the proportion equation
755,768.16 : 1,133,258.58 = 282,063.96 : x - Step 2: Convert to fraction form
755,768.16/1,133,258.58 = 282,063.96/x - Step 3: Cross multiply
755,768.16x = 1,133,258.58 × 282,063.96 - Step 4: Simplify right side
755,768.16x = 319,651,402,778.78 - Step 5: Solve for x
x = 319,651,402,778.78/755,768.16 - Step 6: Final answer
x = 422,949.02
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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.