Finding the Fourth Proportional to 880,876.68, 1,321,511.94 and 281,873.79
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Solution
The fourth proportional to 880,876.68, 1,321,511.94 and 281,873.79 is: 422,873.70
Step by Step Solution
- Step 1: Write the proportion equation
880,876.68 : 1,321,511.94 = 281,873.79 : x - Step 2: Convert to fraction form
880,876.68/1,321,511.94 = 281,873.79/x - Step 3: Cross multiply
880,876.68x = 1,321,511.94 × 281,873.79 - Step 4: Simplify right side
880,876.68x = 372,499,579,058.05 - Step 5: Solve for x
x = 372,499,579,058.05/880,876.68 - Step 6: Final answer
x = 422,873.70
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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.