Finding the Fourth Proportional to 674,310.40, 930,566.64 and 402,536.09
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Solution
The fourth proportional to 674,310.40, 930,566.64 and 402,536.09 is: 555,510.73
Step by Step Solution
- Step 1: Write the proportion equation
674,310.40 : 930,566.64 = 402,536.09 : x - Step 2: Convert to fraction form
674,310.40/930,566.64 = 402,536.09/x - Step 3: Cross multiply
674,310.40x = 930,566.64 × 402,536.09 - Step 4: Simplify right side
674,310.40x = 374,586,659,076.45 - Step 5: Solve for x
x = 374,586,659,076.45/674,310.40 - Step 6: Final answer
x = 555,510.73
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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.