Finding the Fourth Proportional to 753,843.24, 1,130,931.54 and 248,383.80
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Solution
The fourth proportional to 753,843.24, 1,130,931.54 and 248,383.80 is: 372,630.62
Step by Step Solution
- Step 1: Write the proportion equation
753,843.24 : 1,130,931.54 = 248,383.80 : x - Step 2: Convert to fraction form
753,843.24/1,130,931.54 = 248,383.80/x - Step 3: Cross multiply
753,843.24x = 1,130,931.54 × 248,383.80 - Step 4: Simplify right side
753,843.24x = 280,905,073,445.05 - Step 5: Solve for x
x = 280,905,073,445.05/753,843.24 - Step 6: Final answer
x = 372,630.62
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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.