Finding the Fourth Proportional to 634,374.18, 875,447.60 and 347,891.76
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Solution
The fourth proportional to 634,374.18, 875,447.60 and 347,891.76 is: 480,096.79
Step by Step Solution
- Step 1: Write the proportion equation
634,374.18 : 875,447.60 = 347,891.76 : x - Step 2: Convert to fraction form
634,374.18/875,447.60 = 347,891.76/x - Step 3: Cross multiply
634,374.18x = 875,447.60 × 347,891.76 - Step 4: Simplify right side
634,374.18x = 304,561,004,612.32 - Step 5: Solve for x
x = 304,561,004,612.32/634,374.18 - Step 6: Final answer
x = 480,096.79
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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.