Finding the Fourth Proportional to 874,079.10, 1,310,994.08 and 275,024.70
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Solution
The fourth proportional to 874,079.10, 1,310,994.08 and 275,024.70 is: 412,497.85
Step by Step Solution
- Step 1: Write the proportion equation
874,079.10 : 1,310,994.08 = 275,024.70 : x - Step 2: Convert to fraction form
874,079.10/1,310,994.08 = 275,024.70/x - Step 3: Cross multiply
874,079.10x = 1,310,994.08 × 275,024.70 - Step 4: Simplify right side
874,079.10x = 360,555,753,553.78 - Step 5: Solve for x
x = 360,555,753,553.78/874,079.10 - Step 6: Final answer
x = 412,497.85
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1.5x scale
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.