Finding the Fourth Proportional to 674,634.96, 930,959.88 and 372,810.96
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Solution
The fourth proportional to 674,634.96, 930,959.88 and 372,810.96 is: 514,459.03
Step by Step Solution
- Step 1: Write the proportion equation
674,634.96 : 930,959.88 = 372,810.96 : x - Step 2: Convert to fraction form
674,634.96/930,959.88 = 372,810.96/x - Step 3: Cross multiply
674,634.96x = 930,959.88 × 372,810.96 - Step 4: Simplify right side
674,634.96x = 347,072,046,584.29 - Step 5: Solve for x
x = 347,072,046,584.29/674,634.96 - Step 6: Final answer
x = 514,459.03
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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.