Finding the Fourth Proportional to 804,871.15, 1,207,232.91 and 272,331.18
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Solution
The fourth proportional to 804,871.15, 1,207,232.91 and 272,331.18 is: 408,471.80
Step by Step Solution
- Step 1: Write the proportion equation
804,871.15 : 1,207,232.91 = 272,331.18 : x - Step 2: Convert to fraction form
804,871.15/1,207,232.91 = 272,331.18/x - Step 3: Cross multiply
804,871.15x = 1,207,232.91 × 272,331.18 - Step 4: Simplify right side
804,871.15x = 328,767,162,915.13 - Step 5: Solve for x
x = 328,767,162,915.13/804,871.15 - Step 6: Final answer
x = 408,471.80
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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.