Finding the Fourth Proportional to 753,922.63, 1,130,868.37 and 248,513.95
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Solution
The fourth proportional to 753,922.63, 1,130,868.37 and 248,513.95 is: 372,765.79
Step by Step Solution
- Step 1: Write the proportion equation
753,922.63 : 1,130,868.37 = 248,513.95 : x - Step 2: Convert to fraction form
753,922.63/1,130,868.37 = 248,513.95/x - Step 3: Cross multiply
753,922.63x = 1,130,868.37 × 248,513.95 - Step 4: Simplify right side
753,922.63x = 281,036,565,558.76 - Step 5: Solve for x
x = 281,036,565,558.76/753,922.63 - Step 6: Final answer
x = 372,765.79
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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.