Finding the Fourth Proportional to 801,687.84, 1,202,208.84 and 289,207.32
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Solution
The fourth proportional to 801,687.84, 1,202,208.84 and 289,207.32 is: 433,694.49
Step by Step Solution
- Step 1: Write the proportion equation
801,687.84 : 1,202,208.84 = 289,207.32 : x - Step 2: Convert to fraction form
801,687.84/1,202,208.84 = 289,207.32/x - Step 3: Cross multiply
801,687.84x = 1,202,208.84 × 289,207.32 - Step 4: Simplify right side
801,687.84x = 347,687,596,696.71 - Step 5: Solve for x
x = 347,687,596,696.71/801,687.84 - Step 6: Final answer
x = 433,694.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.