Finding the Fourth Proportional to 922,260.28, 1,382,988.64 and 489,883.12
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Solution
The fourth proportional to 922,260.28, 1,382,988.64 and 489,883.12 is: 734,611.26
Step by Step Solution
- Step 1: Write the proportion equation
922,260.28 : 1,382,988.64 = 489,883.12 : x - Step 2: Convert to fraction form
922,260.28/1,382,988.64 = 489,883.12/x - Step 3: Cross multiply
922,260.28x = 1,382,988.64 × 489,883.12 - Step 4: Simplify right side
922,260.28x = 677,502,787,501.90 - Step 5: Solve for x
x = 677,502,787,501.90/922,260.28 - Step 6: Final answer
x = 734,611.26
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.