Finding the Fourth Proportional to 941,621.68, 1,412,233.26 and 310,385.44
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Solution
The fourth proportional to 941,621.68, 1,412,233.26 and 310,385.44 is: 465,512.48
Step by Step Solution
- Step 1: Write the proportion equation
941,621.68 : 1,412,233.26 = 310,385.44 : x - Step 2: Convert to fraction form
941,621.68/1,412,233.26 = 310,385.44/x - Step 3: Cross multiply
941,621.68x = 1,412,233.26 × 310,385.44 - Step 4: Simplify right side
941,621.68x = 438,336,641,787.73 - Step 5: Solve for x
x = 438,336,641,787.73/941,621.68 - Step 6: Final answer
x = 465,512.48
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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.