Finding the Fourth Proportional to 775,639.68, 1,163,473.92 and 243,148.80
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Solution
The fourth proportional to 775,639.68, 1,163,473.92 and 243,148.80 is: 364,727.71
Step by Step Solution
- Step 1: Write the proportion equation
775,639.68 : 1,163,473.92 = 243,148.80 : x - Step 2: Convert to fraction form
775,639.68/1,163,473.92 = 243,148.80/x - Step 3: Cross multiply
775,639.68x = 1,163,473.92 × 243,148.80 - Step 4: Simplify right side
775,639.68x = 282,897,287,479.30 - Step 5: Solve for x
x = 282,897,287,479.30/775,639.68 - Step 6: Final answer
x = 364,727.71
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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.