Finding the Fourth Proportional to 509,696.80, 762,881.66 and 374,725.18
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Solution
The fourth proportional to 509,696.80, 762,881.66 and 374,725.18 is: 560,864.75
Step by Step Solution
- Step 1: Write the proportion equation
509,696.80 : 762,881.66 = 374,725.18 : x - Step 2: Convert to fraction form
509,696.80/762,881.66 = 374,725.18/x - Step 3: Cross multiply
509,696.80x = 762,881.66 × 374,725.18 - Step 4: Simplify right side
509,696.80x = 285,870,967,847.39 - Step 5: Solve for x
x = 285,870,967,847.39/509,696.80 - Step 6: Final answer
x = 560,864.75
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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.