Finding the Fourth Proportional to 748,244.58, 1,122,532.71 and 215,724.05
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Solution
The fourth proportional to 748,244.58, 1,122,532.71 and 215,724.05 is: 323,633.89
Step by Step Solution
- Step 1: Write the proportion equation
748,244.58 : 1,122,532.71 = 215,724.05 : x - Step 2: Convert to fraction form
748,244.58/1,122,532.71 = 215,724.05/x - Step 3: Cross multiply
748,244.58x = 1,122,532.71 × 215,724.05 - Step 4: Simplify right side
748,244.58x = 242,157,302,458.68 - Step 5: Solve for x
x = 242,157,302,458.68/748,244.58 - Step 6: Final answer
x = 323,633.89
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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.