Finding the Fourth Proportional to 873.07, 1,201.77 and 731.63
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Solution
The fourth proportional to 873.07, 1,201.77 and 731.63 is: 1,007.09
Step by Step Solution
- Step 1: Write the proportion equation
873.07 : 1,201.77 = 731.63 : x - Step 2: Convert to fraction form
873.07/1,201.77 = 731.63/x - Step 3: Cross multiply
873.07x = 1,201.77 × 731.63 - Step 4: Simplify right side
873.07x = 879,253.99 - Step 5: Solve for x
x = 879,253.99/873.07 - Step 6: Final answer
x = 1,007.09
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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.