Finding the Fourth Proportional to 679,486.11, 1,019,229.36 and 199,713.99
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Solution
The fourth proportional to 679,486.11, 1,019,229.36 and 199,713.99 is: 299,571.04
Step by Step Solution
- Step 1: Write the proportion equation
679,486.11 : 1,019,229.36 = 199,713.99 : x - Step 2: Convert to fraction form
679,486.11/1,019,229.36 = 199,713.99/x - Step 3: Cross multiply
679,486.11x = 1,019,229.36 × 199,713.99 - Step 4: Simplify right side
679,486.11x = 203,554,362,210.75 - Step 5: Solve for x
x = 203,554,362,210.75/679,486.11 - Step 6: Final answer
x = 299,571.04
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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.