Finding the Fourth Proportional to 884.68, 1,219.73 and 682.99
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Solution
The fourth proportional to 884.68, 1,219.73 and 682.99 is: 941.65
Step by Step Solution
- Step 1: Write the proportion equation
884.68 : 1,219.73 = 682.99 : x - Step 2: Convert to fraction form
884.68/1,219.73 = 682.99/x - Step 3: Cross multiply
884.68x = 1,219.73 × 682.99 - Step 4: Simplify right side
884.68x = 833,056.93 - Step 5: Solve for x
x = 833,056.93/884.68 - Step 6: Final answer
x = 941.65
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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.