Finding the Fourth Proportional to 631,872.80, 947,809.08 and 252,964.08
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Solution
The fourth proportional to 631,872.80, 947,809.08 and 252,964.08 is: 379,446.07
Step by Step Solution
- Step 1: Write the proportion equation
631,872.80 : 947,809.08 = 252,964.08 : x - Step 2: Convert to fraction form
631,872.80/947,809.08 = 252,964.08/x - Step 3: Cross multiply
631,872.80x = 947,809.08 × 252,964.08 - Step 4: Simplify right side
631,872.80x = 239,761,651,937.85 - Step 5: Solve for x
x = 239,761,651,937.85/631,872.80 - Step 6: Final answer
x = 379,446.07
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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.