Finding the Fourth Proportional to 676,881.12, 1,015,449.84 and 272,104.68
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Solution
The fourth proportional to 676,881.12, 1,015,449.84 and 272,104.68 is: 408,208.54
Step by Step Solution
- Step 1: Write the proportion equation
676,881.12 : 1,015,449.84 = 272,104.68 : x - Step 2: Convert to fraction form
676,881.12/1,015,449.84 = 272,104.68/x - Step 3: Cross multiply
676,881.12x = 1,015,449.84 × 272,104.68 - Step 4: Simplify right side
676,881.12x = 276,308,653,769.25 - Step 5: Solve for x
x = 276,308,653,769.25/676,881.12 - Step 6: Final answer
x = 408,208.54
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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.