Finding the Fourth Proportional to 698,768.70, 1,048,153.05 and 193,328.70
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Solution
The fourth proportional to 698,768.70, 1,048,153.05 and 193,328.70 is: 289,993.05
Step by Step Solution
- Step 1: Write the proportion equation
698,768.70 : 1,048,153.05 = 193,328.70 : x - Step 2: Convert to fraction form
698,768.70/1,048,153.05 = 193,328.70/x - Step 3: Cross multiply
698,768.70x = 1,048,153.05 × 193,328.70 - Step 4: Simplify right side
698,768.70x = 202,638,066,557.54 - Step 5: Solve for x
x = 202,638,066,557.54/698,768.70 - Step 6: Final answer
x = 289,993.05
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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.