Finding the Fourth Proportional to 557,331.70, 835,997.55 and 548,115.70
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Solution
The fourth proportional to 557,331.70, 835,997.55 and 548,115.70 is: 822,173.55
Step by Step Solution
- Step 1: Write the proportion equation
557,331.70 : 835,997.55 = 548,115.70 : x - Step 2: Convert to fraction form
557,331.70/835,997.55 = 548,115.70/x - Step 3: Cross multiply
557,331.70x = 835,997.55 × 548,115.70 - Step 4: Simplify right side
557,331.70x = 458,223,382,316.54 - Step 5: Solve for x
x = 458,223,382,316.54/557,331.70 - Step 6: Final answer
x = 822,173.55
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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.