Finding the Fourth Proportional to 866,481.12, 1,299,943.80 and 360,874.08
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Solution
The fourth proportional to 866,481.12, 1,299,943.80 and 360,874.08 is: 541,403.63
Step by Step Solution
- Step 1: Write the proportion equation
866,481.12 : 1,299,943.80 = 360,874.08 : x - Step 2: Convert to fraction form
866,481.12/1,299,943.80 = 360,874.08/x - Step 3: Cross multiply
866,481.12x = 1,299,943.80 × 360,874.08 - Step 4: Simplify right side
866,481.12x = 469,116,022,876.70 - Step 5: Solve for x
x = 469,116,022,876.70/866,481.12 - Step 6: Final answer
x = 541,403.63
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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.