Finding the Fourth Proportional to 798,965.40, 1,198,451.24 and 199,924.84
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Solution
The fourth proportional to 798,965.40, 1,198,451.24 and 199,924.84 is: 299,888.05
Step by Step Solution
- Step 1: Write the proportion equation
798,965.40 : 1,198,451.24 = 199,924.84 : x - Step 2: Convert to fraction form
798,965.40/1,198,451.24 = 199,924.84/x - Step 3: Cross multiply
798,965.40x = 1,198,451.24 × 199,924.84 - Step 4: Simplify right side
798,965.40x = 239,600,172,404.80 - Step 5: Solve for x
x = 239,600,172,404.80/798,965.40 - Step 6: Final answer
x = 299,888.05
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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.