Finding the Fourth Proportional to 633,432.97, 874,126.69 and 343,042.18
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Solution
The fourth proportional to 633,432.97, 874,126.69 and 343,042.18 is: 473,392.35
Step by Step Solution
- Step 1: Write the proportion equation
633,432.97 : 874,126.69 = 343,042.18 : x - Step 2: Convert to fraction form
633,432.97/874,126.69 = 343,042.18/x - Step 3: Cross multiply
633,432.97x = 874,126.69 × 343,042.18 - Step 4: Simplify right side
633,432.97x = 299,862,319,247.94 - Step 5: Solve for x
x = 299,862,319,247.94/633,432.97 - Step 6: Final answer
x = 473,392.35
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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.