Finding the Fourth Proportional to 647,412.75, 971,512.79 and 273,435.75
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Solution
The fourth proportional to 647,412.75, 971,512.79 and 273,435.75 is: 410,319.89
Step by Step Solution
- Step 1: Write the proportion equation
647,412.75 : 971,512.79 = 273,435.75 : x - Step 2: Convert to fraction form
647,412.75/971,512.79 = 273,435.75/x - Step 3: Cross multiply
647,412.75x = 971,512.79 × 273,435.75 - Step 4: Simplify right side
647,412.75x = 265,646,327,001.06 - Step 5: Solve for x
x = 265,646,327,001.06/647,412.75 - Step 6: Final answer
x = 410,319.89
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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.