Finding the Fourth Proportional to 634,287.40, 875,316.18 and 347,812.12
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Solution
The fourth proportional to 634,287.40, 875,316.18 and 347,812.12 is: 479,980.49
Step by Step Solution
- Step 1: Write the proportion equation
634,287.40 : 875,316.18 = 347,812.12 : x - Step 2: Convert to fraction form
634,287.40/875,316.18 = 347,812.12/x - Step 3: Cross multiply
634,287.40x = 875,316.18 × 347,812.12 - Step 4: Simplify right side
634,287.40x = 304,445,576,236.10 - Step 5: Solve for x
x = 304,445,576,236.10/634,287.40 - Step 6: Final answer
x = 479,980.49
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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.