Finding the Fourth Proportional to 694,960.24, 958,943.10 and 389,020.72
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Solution
The fourth proportional to 694,960.24, 958,943.10 and 389,020.72 is: 536,791.48
Step by Step Solution
- Step 1: Write the proportion equation
694,960.24 : 958,943.10 = 389,020.72 : x - Step 2: Convert to fraction form
694,960.24/958,943.10 = 389,020.72/x - Step 3: Cross multiply
694,960.24x = 958,943.10 × 389,020.72 - Step 4: Simplify right side
694,960.24x = 373,048,735,201.03 - Step 5: Solve for x
x = 373,048,735,201.03/694,960.24 - Step 6: Final answer
x = 536,791.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.