Finding the Fourth Proportional to 862,042.44, 1,291,722.52 and 329,272.68
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Solution
The fourth proportional to 862,042.44, 1,291,722.52 and 329,272.68 is: 493,396.75
Step by Step Solution
- Step 1: Write the proportion equation
862,042.44 : 1,291,722.52 = 329,272.68 : x - Step 2: Convert to fraction form
862,042.44/1,291,722.52 = 329,272.68/x - Step 3: Cross multiply
862,042.44x = 1,291,722.52 × 329,272.68 - Step 4: Simplify right side
862,042.44x = 425,328,935,976.75 - Step 5: Solve for x
x = 425,328,935,976.75/862,042.44 - Step 6: Final answer
x = 493,396.75
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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.