Finding the Fourth Proportional to 775,121.92, 1,069,960.54 and 452,936.74
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Solution
The fourth proportional to 775,121.92, 1,069,960.54 and 452,936.74 is: 625,223.50
Step by Step Solution
- Step 1: Write the proportion equation
775,121.92 : 1,069,960.54 = 452,936.74 : x - Step 2: Convert to fraction form
775,121.92/1,069,960.54 = 452,936.74/x - Step 3: Cross multiply
775,121.92x = 1,069,960.54 × 452,936.74 - Step 4: Simplify right side
775,121.92x = 484,624,438,916.24 - Step 5: Solve for x
x = 484,624,438,916.24/775,121.92 - Step 6: Final answer
x = 625,223.50
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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.