Finding the Fourth Proportional to 528,912.24, 729,718.60 and 338,035.74
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Solution
The fourth proportional to 528,912.24, 729,718.60 and 338,035.74 is: 466,374.09
Step by Step Solution
- Step 1: Write the proportion equation
528,912.24 : 729,718.60 = 338,035.74 : x - Step 2: Convert to fraction form
528,912.24/729,718.60 = 338,035.74/x - Step 3: Cross multiply
528,912.24x = 729,718.60 × 338,035.74 - Step 4: Simplify right side
528,912.24x = 246,670,966,942.76 - Step 5: Solve for x
x = 246,670,966,942.76/528,912.24 - Step 6: Final answer
x = 466,374.09
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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.