Finding the Fourth Proportional to 896,272.85, 1,236,817.87 and 509,087.08
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Solution
The fourth proportional to 896,272.85, 1,236,817.87 and 509,087.08 is: 702,518.20
Step by Step Solution
- Step 1: Write the proportion equation
896,272.85 : 1,236,817.87 = 509,087.08 : x - Step 2: Convert to fraction form
896,272.85/1,236,817.87 = 509,087.08/x - Step 3: Cross multiply
896,272.85x = 1,236,817.87 × 509,087.08 - Step 4: Simplify right side
896,272.85x = 629,647,994,558.24 - Step 5: Solve for x
x = 629,647,994,558.24/896,272.85 - Step 6: Final answer
x = 702,518.20
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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.