Finding the Fourth Proportional to 828,919.80, 1,244,035.80 and 323,722.80
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Solution
The fourth proportional to 828,919.80, 1,244,035.80 and 323,722.80 is: 485,840.43
Step by Step Solution
- Step 1: Write the proportion equation
828,919.80 : 1,244,035.80 = 323,722.80 : x - Step 2: Convert to fraction form
828,919.80/1,244,035.80 = 323,722.80/x - Step 3: Cross multiply
828,919.80x = 1,244,035.80 × 323,722.80 - Step 4: Simplify right side
828,919.80x = 402,722,752,476.24 - Step 5: Solve for x
x = 402,722,752,476.24/828,919.80 - Step 6: Final answer
x = 485,840.43
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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.