Finding the Fourth Proportional to 870,961.05, 1,306,104.62 and 338,411.97
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Solution
The fourth proportional to 870,961.05, 1,306,104.62 and 338,411.97 is: 507,487.03
Step by Step Solution
- Step 1: Write the proportion equation
870,961.05 : 1,306,104.62 = 338,411.97 : x - Step 2: Convert to fraction form
870,961.05/1,306,104.62 = 338,411.97/x - Step 3: Cross multiply
870,961.05x = 1,306,104.62 × 338,411.97 - Step 4: Simplify right side
870,961.05x = 442,001,435,788.24 - Step 5: Solve for x
x = 442,001,435,788.24/870,961.05 - Step 6: Final answer
x = 507,487.03
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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.