Finding the Fourth Proportional to 816,568.93, 1,126,928.25 and 489,894.18
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Solution
The fourth proportional to 816,568.93, 1,126,928.25 and 489,894.18 is: 676,091.83
Step by Step Solution
- Step 1: Write the proportion equation
816,568.93 : 1,126,928.25 = 489,894.18 : x - Step 2: Convert to fraction form
816,568.93/1,126,928.25 = 489,894.18/x - Step 3: Cross multiply
816,568.93x = 1,126,928.25 × 489,894.18 - Step 4: Simplify right side
816,568.93x = 552,075,585,685.79 - Step 5: Solve for x
x = 552,075,585,685.79/816,568.93 - Step 6: Final answer
x = 676,091.83
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.