Finding the Fourth Proportional to 726,237.80, 1,088,060.70 and 351,434.60
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Solution
The fourth proportional to 726,237.80, 1,088,060.70 and 351,434.60 is: 526,524.75
Step by Step Solution
- Step 1: Write the proportion equation
726,237.80 : 1,088,060.70 = 351,434.60 : x - Step 2: Convert to fraction form
726,237.80/1,088,060.70 = 351,434.60/x - Step 3: Cross multiply
726,237.80x = 1,088,060.70 × 351,434.60 - Step 4: Simplify right side
726,237.80x = 382,382,176,880.22 - Step 5: Solve for x
x = 382,382,176,880.22/726,237.80 - Step 6: Final answer
x = 526,524.75
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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.