Finding the Fourth Proportional to 502,990.74, 694,133.01 and 276,640.02
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Solution
The fourth proportional to 502,990.74, 694,133.01 and 276,640.02 is: 381,766.41
Step by Step Solution
- Step 1: Write the proportion equation
502,990.74 : 694,133.01 = 276,640.02 : x - Step 2: Convert to fraction form
502,990.74/694,133.01 = 276,640.02/x - Step 3: Cross multiply
502,990.74x = 694,133.01 × 276,640.02 - Step 4: Simplify right side
502,990.74x = 192,024,969,769.06 - Step 5: Solve for x
x = 192,024,969,769.06/502,990.74 - Step 6: Final answer
x = 381,766.41
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.