Finding the Fourth Proportional to 502,873.62, 693,965.60 and 276,519.12
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Solution
The fourth proportional to 502,873.62, 693,965.60 and 276,519.12 is: 381,596.39
Step by Step Solution
- Step 1: Write the proportion equation
502,873.62 : 693,965.60 = 276,519.12 : x - Step 2: Convert to fraction form
502,873.62/693,965.60 = 276,519.12/x - Step 3: Cross multiply
502,873.62x = 693,965.60 × 276,519.12 - Step 4: Simplify right side
502,873.62x = 191,894,757,022.27 - Step 5: Solve for x
x = 191,894,757,022.27/502,873.62 - Step 6: Final answer
x = 381,596.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.