Finding the Fourth Proportional to 816,744.65, 1,127,133.38 and 454,183.79
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Solution
The fourth proportional to 816,744.65, 1,127,133.38 and 454,183.79 is: 626,787.95
Step by Step Solution
- Step 1: Write the proportion equation
816,744.65 : 1,127,133.38 = 454,183.79 : x - Step 2: Convert to fraction form
816,744.65/1,127,133.38 = 454,183.79/x - Step 3: Cross multiply
816,744.65x = 1,127,133.38 × 454,183.79 - Step 4: Simplify right side
816,744.65x = 511,925,708,092.99 - Step 5: Solve for x
x = 511,925,708,092.99/816,744.65 - Step 6: Final answer
x = 626,787.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.