Finding the Fourth Proportional to 756,790.06, 1,044,378.46 and 412,623.18
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Solution
The fourth proportional to 756,790.06, 1,044,378.46 and 412,623.18 is: 569,424.45
Step by Step Solution
- Step 1: Write the proportion equation
756,790.06 : 1,044,378.46 = 412,623.18 : x - Step 2: Convert to fraction form
756,790.06/1,044,378.46 = 412,623.18/x - Step 3: Cross multiply
756,790.06x = 1,044,378.46 × 412,623.18 - Step 4: Simplify right side
756,790.06x = 430,934,761,288.70 - Step 5: Solve for x
x = 430,934,761,288.70/756,790.06 - Step 6: Final answer
x = 569,424.45
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1.5x scale
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.