Finding the Fourth Proportional to 931,629.84, 1,397,366.76 and 257,719.44
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Solution
The fourth proportional to 931,629.84, 1,397,366.76 and 257,719.44 is: 386,557.58
Step by Step Solution
- Step 1: Write the proportion equation
931,629.84 : 1,397,366.76 = 257,719.44 : x - Step 2: Convert to fraction form
931,629.84/1,397,366.76 = 257,719.44/x - Step 3: Cross multiply
931,629.84x = 1,397,366.76 × 257,719.44 - Step 4: Simplify right side
931,629.84x = 360,128,578,861.81 - Step 5: Solve for x
x = 360,128,578,861.81/931,629.84 - Step 6: Final answer
x = 386,557.58
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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.