Finding the Fourth Proportional to 987,258.12, 1,480,942.56 and 277,230.79
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Solution
The fourth proportional to 987,258.12, 1,480,942.56 and 277,230.79 is: 415,861.74
Step by Step Solution
- Step 1: Write the proportion equation
987,258.12 : 1,480,942.56 = 277,230.79 : x - Step 2: Convert to fraction form
987,258.12/1,480,942.56 = 277,230.79/x - Step 3: Cross multiply
987,258.12x = 1,480,942.56 × 277,230.79 - Step 4: Simplify right side
987,258.12x = 410,562,875,853.42 - Step 5: Solve for x
x = 410,562,875,853.42/987,258.12 - Step 6: Final answer
x = 415,861.74
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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.