Finding the Fourth Proportional to 627,942.36, 868,842.30 and 547,537.44
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Solution
The fourth proportional to 627,942.36, 868,842.30 and 547,537.44 is: 757,591.33
Step by Step Solution
- Step 1: Write the proportion equation
627,942.36 : 868,842.30 = 547,537.44 : x - Step 2: Convert to fraction form
627,942.36/868,842.30 = 547,537.44/x - Step 3: Cross multiply
627,942.36x = 868,842.30 × 547,537.44 - Step 4: Simplify right side
627,942.36x = 475,723,688,705.71 - Step 5: Solve for x
x = 475,723,688,705.71/627,942.36 - Step 6: Final answer
x = 757,591.33
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.