Finding the Fourth Proportional to 896,000.62, 1,236,480.31 and 493,592.62
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Solution
The fourth proportional to 896,000.62, 1,236,480.31 and 493,592.62 is: 681,157.52
Step by Step Solution
- Step 1: Write the proportion equation
896,000.62 : 1,236,480.31 = 493,592.62 : x - Step 2: Convert to fraction form
896,000.62/1,236,480.31 = 493,592.62/x - Step 3: Cross multiply
896,000.62x = 1,236,480.31 × 493,592.62 - Step 4: Simplify right side
896,000.62x = 610,317,555,791.31 - Step 5: Solve for x
x = 610,317,555,791.31/896,000.62 - Step 6: Final answer
x = 681,157.52
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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.