Finding the Fourth Proportional to 753,912.63, 1,130,853.39 and 248,503.95
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Solution
The fourth proportional to 753,912.63, 1,130,853.39 and 248,503.95 is: 372,750.80
Step by Step Solution
- Step 1: Write the proportion equation
753,912.63 : 1,130,853.39 = 248,503.95 : x - Step 2: Convert to fraction form
753,912.63/1,130,853.39 = 248,503.95/x - Step 3: Cross multiply
753,912.63x = 1,130,853.39 × 248,503.95 - Step 4: Simplify right side
753,912.63x = 281,021,533,354.00 - Step 5: Solve for x
x = 281,021,533,354.00/753,912.63 - Step 6: Final answer
x = 372,750.80
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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.