Finding the Fourth Proportional to 753,117.94, 1,129,674.44 and 273,345.10
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Solution
The fourth proportional to 753,117.94, 1,129,674.44 and 273,345.10 is: 410,016.75
Step by Step Solution
- Step 1: Write the proportion equation
753,117.94 : 1,129,674.44 = 273,345.10 : x - Step 2: Convert to fraction form
753,117.94/1,129,674.44 = 273,345.10/x - Step 3: Cross multiply
753,117.94x = 1,129,674.44 × 273,345.10 - Step 4: Simplify right side
753,117.94x = 308,790,965,754.15 - Step 5: Solve for x
x = 308,790,965,754.15/753,117.94 - Step 6: Final answer
x = 410,016.75
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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.