Finding the Fourth Proportional to 983,016.12, 1,474,879.62 and 343,414.68
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Solution
The fourth proportional to 983,016.12, 1,474,879.62 and 343,414.68 is: 515,246.19
Step by Step Solution
- Step 1: Write the proportion equation
983,016.12 : 1,474,879.62 = 343,414.68 : x - Step 2: Convert to fraction form
983,016.12/1,474,879.62 = 343,414.68/x - Step 3: Cross multiply
983,016.12x = 1,474,879.62 × 343,414.68 - Step 4: Simplify right side
983,016.12x = 506,495,312,740.82 - Step 5: Solve for x
x = 506,495,312,740.82/983,016.12 - Step 6: Final answer
x = 515,246.19
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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.