Finding the Fourth Proportional to 724,888.49, 1,086,915.98 and 298,718.46
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Solution
The fourth proportional to 724,888.49, 1,086,915.98 and 298,718.46 is: 447,905.95
Step by Step Solution
- Step 1: Write the proportion equation
724,888.49 : 1,086,915.98 = 298,718.46 : x - Step 2: Convert to fraction form
724,888.49/1,086,915.98 = 298,718.46/x - Step 3: Cross multiply
724,888.49x = 1,086,915.98 × 298,718.46 - Step 4: Simplify right side
724,888.49x = 324,681,868,441.79 - Step 5: Solve for x
x = 324,681,868,441.79/724,888.49 - Step 6: Final answer
x = 447,905.95
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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.