Finding the Fourth Proportional to 874,455.48, 1,207,305.72 and 713,693.97
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Solution
The fourth proportional to 874,455.48, 1,207,305.72 and 713,693.97 is: 985,352.41
Step by Step Solution
- Step 1: Write the proportion equation
874,455.48 : 1,207,305.72 = 713,693.97 : x - Step 2: Convert to fraction form
874,455.48/1,207,305.72 = 713,693.97/x - Step 3: Cross multiply
874,455.48x = 1,207,305.72 × 713,693.97 - Step 4: Simplify right side
874,455.48x = 861,646,812,310.51 - Step 5: Solve for x
x = 861,646,812,310.51/874,455.48 - Step 6: Final answer
x = 985,352.41
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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.