Finding the Fourth Proportional to 674,980.48, 931,491.84 and 373,193.92
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Solution
The fourth proportional to 674,980.48, 931,491.84 and 373,193.92 is: 515,017.99
Step by Step Solution
- Step 1: Write the proportion equation
674,980.48 : 931,491.84 = 373,193.92 : x - Step 2: Convert to fraction form
674,980.48/931,491.84 = 373,193.92/x - Step 3: Cross multiply
674,980.48x = 931,491.84 × 373,193.92 - Step 4: Simplify right side
674,980.48x = 347,627,091,217.61 - Step 5: Solve for x
x = 347,627,091,217.61/674,980.48 - Step 6: Final answer
x = 515,017.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.