Finding the Fourth Proportional to 874,489.08, 1,310,597.46 and 394,364.28
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Solution
The fourth proportional to 874,489.08, 1,310,597.46 and 394,364.28 is: 591,034.05
Step by Step Solution
- Step 1: Write the proportion equation
874,489.08 : 1,310,597.46 = 394,364.28 : x - Step 2: Convert to fraction form
874,489.08/1,310,597.46 = 394,364.28/x - Step 3: Cross multiply
874,489.08x = 1,310,597.46 × 394,364.28 - Step 4: Simplify right side
874,489.08x = 516,852,823,682.73 - Step 5: Solve for x
x = 516,852,823,682.73/874,489.08 - Step 6: Final answer
x = 591,034.05
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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.