Finding the Fourth Proportional to 804,990.80, 1,207,486.20 and 244,025.12
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Solution
The fourth proportional to 804,990.80, 1,207,486.20 and 244,025.12 is: 366,037.68
Step by Step Solution
- Step 1: Write the proportion equation
804,990.80 : 1,207,486.20 = 244,025.12 : x - Step 2: Convert to fraction form
804,990.80/1,207,486.20 = 244,025.12/x - Step 3: Cross multiply
804,990.80x = 1,207,486.20 × 244,025.12 - Step 4: Simplify right side
804,990.80x = 294,656,964,853.34 - Step 5: Solve for x
x = 294,656,964,853.34/804,990.80 - Step 6: Final answer
x = 366,037.68
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1.5x scale
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.