Finding the Fourth Proportional to 440,471.80, 660,707.70 and 366,988.60
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Solution
The fourth proportional to 440,471.80, 660,707.70 and 366,988.60 is: 550,482.90
Step by Step Solution
- Step 1: Write the proportion equation
440,471.80 : 660,707.70 = 366,988.60 : x - Step 2: Convert to fraction form
440,471.80/660,707.70 = 366,988.60/x - Step 3: Cross multiply
440,471.80x = 660,707.70 × 366,988.60 - Step 4: Simplify right side
440,471.80x = 242,472,193,832.22 - Step 5: Solve for x
x = 242,472,193,832.22/440,471.80 - Step 6: Final answer
x = 550,482.90
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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.