Finding the Fourth Proportional to 941,793.49, 1,299,639.18 and 512,073.98
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Solution
The fourth proportional to 941,793.49, 1,299,639.18 and 512,073.98 is: 706,642.60
Step by Step Solution
- Step 1: Write the proportion equation
941,793.49 : 1,299,639.18 = 512,073.98 : x - Step 2: Convert to fraction form
941,793.49/1,299,639.18 = 512,073.98/x - Step 3: Cross multiply
941,793.49x = 1,299,639.18 × 512,073.98 - Step 4: Simplify right side
941,793.49x = 665,511,400,968.34 - Step 5: Solve for x
x = 665,511,400,968.34/941,793.49 - Step 6: Final answer
x = 706,642.60
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1.5x scale
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.