Finding the Fourth Proportional to 813,708.18, 1,220,546.07 and 252,741.06
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Solution
The fourth proportional to 813,708.18, 1,220,546.07 and 252,741.06 is: 379,106.56
Step by Step Solution
- Step 1: Write the proportion equation
813,708.18 : 1,220,546.07 = 252,741.06 : x - Step 2: Convert to fraction form
813,708.18/1,220,546.07 = 252,741.06/x - Step 3: Cross multiply
813,708.18x = 1,220,546.07 × 252,741.06 - Step 4: Simplify right side
813,708.18x = 308,482,107,510.63 - Step 5: Solve for x
x = 308,482,107,510.63/813,708.18 - Step 6: Final answer
x = 379,106.56
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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.