Finding the Fourth Proportional to 791,608.82, 1,186,693.56 and 412,083.68
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Solution
The fourth proportional to 791,608.82, 1,186,693.56 and 412,083.68 is: 617,750.88
Step by Step Solution
- Step 1: Write the proportion equation
791,608.82 : 1,186,693.56 = 412,083.68 : x - Step 2: Convert to fraction form
791,608.82/1,186,693.56 = 412,083.68/x - Step 3: Cross multiply
791,608.82x = 1,186,693.56 × 412,083.68 - Step 4: Simplify right side
791,608.82x = 489,017,043,303.63 - Step 5: Solve for x
x = 489,017,043,303.63/791,608.82 - Step 6: Final answer
x = 617,750.88
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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.