Finding the Fourth Proportional to 624,586.06, 936,738.93 and 287,302.78
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Solution
The fourth proportional to 624,586.06, 936,738.93 and 287,302.78 is: 430,889.70
Step by Step Solution
- Step 1: Write the proportion equation
624,586.06 : 936,738.93 = 287,302.78 : x - Step 2: Convert to fraction form
624,586.06/936,738.93 = 287,302.78/x - Step 3: Cross multiply
624,586.06x = 936,738.93 × 287,302.78 - Step 4: Simplify right side
624,586.06x = 269,127,698,723.23 - Step 5: Solve for x
x = 269,127,698,723.23/624,586.06 - Step 6: Final answer
x = 430,889.70
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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.