Finding the Fourth Proportional to 886,979.69, 1,331,310.68 and 548,997.98
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Solution
The fourth proportional to 886,979.69, 1,331,310.68 and 548,997.98 is: 824,017.60
Step by Step Solution
- Step 1: Write the proportion equation
886,979.69 : 1,331,310.68 = 548,997.98 : x - Step 2: Convert to fraction form
886,979.69/1,331,310.68 = 548,997.98/x - Step 3: Cross multiply
886,979.69x = 1,331,310.68 × 548,997.98 - Step 4: Simplify right side
886,979.69x = 730,886,874,072.43 - Step 5: Solve for x
x = 730,886,874,072.43/886,979.69 - Step 6: Final answer
x = 824,017.60
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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.