Finding the Fourth Proportional to 790,351.82, 1,185,651.20 and 257,748.97
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Solution
The fourth proportional to 790,351.82, 1,185,651.20 and 257,748.97 is: 386,663.72
Step by Step Solution
- Step 1: Write the proportion equation
790,351.82 : 1,185,651.20 = 257,748.97 : x - Step 2: Convert to fraction form
790,351.82/1,185,651.20 = 257,748.97/x - Step 3: Cross multiply
790,351.82x = 1,185,651.20 × 257,748.97 - Step 4: Simplify right side
790,351.82x = 305,600,375,579.26 - Step 5: Solve for x
x = 305,600,375,579.26/790,351.82 - Step 6: Final answer
x = 386,663.72
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.