Finding the Fourth Proportional to 816,733.68, 1,127,093.40 and 454,149.75
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Solution
The fourth proportional to 816,733.68, 1,127,093.40 and 454,149.75 is: 626,727.17
Step by Step Solution
- Step 1: Write the proportion equation
816,733.68 : 1,127,093.40 = 454,149.75 : x - Step 2: Convert to fraction form
816,733.68/1,127,093.40 = 454,149.75/x - Step 3: Cross multiply
816,733.68x = 1,127,093.40 × 454,149.75 - Step 4: Simplify right side
816,733.68x = 511,869,185,836.65 - Step 5: Solve for x
x = 511,869,185,836.65/816,733.68 - Step 6: Final answer
x = 626,727.17
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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.