Finding the Fourth Proportional to 753,904.26, 1,129,232.48 and 353,945.70
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Solution
The fourth proportional to 753,904.26, 1,129,232.48 and 353,945.70 is: 530,156.15
Step by Step Solution
- Step 1: Write the proportion equation
753,904.26 : 1,129,232.48 = 353,945.70 : x - Step 2: Convert to fraction form
753,904.26/1,129,232.48 = 353,945.70/x - Step 3: Cross multiply
753,904.26x = 1,129,232.48 × 353,945.70 - Step 4: Simplify right side
753,904.26x = 399,686,984,388.53 - Step 5: Solve for x
x = 399,686,984,388.53/753,904.26 - Step 6: Final answer
x = 530,156.15
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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.