Finding the Fourth Proportional to 633,434.97, 874,129.44 and 343,044.18
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Solution
The fourth proportional to 633,434.97, 874,129.44 and 343,044.18 is: 473,395.11
Step by Step Solution
- Step 1: Write the proportion equation
633,434.97 : 874,129.44 = 343,044.18 : x - Step 2: Convert to fraction form
633,434.97/874,129.44 = 343,044.18/x - Step 3: Cross multiply
633,434.97x = 874,129.44 × 343,044.18 - Step 4: Simplify right side
633,434.97x = 299,865,016,958.66 - Step 5: Solve for x
x = 299,865,016,958.66/633,434.97 - Step 6: Final answer
x = 473,395.11
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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.