Finding the Fourth Proportional to 579,814.68, 799,403.58 and 375,504.60
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Solution
The fourth proportional to 579,814.68, 799,403.58 and 375,504.60 is: 517,716.66
Step by Step Solution
- Step 1: Write the proportion equation
579,814.68 : 799,403.58 = 375,504.60 : x - Step 2: Convert to fraction form
579,814.68/799,403.58 = 375,504.60/x - Step 3: Cross multiply
579,814.68x = 799,403.58 × 375,504.60 - Step 4: Simplify right side
579,814.68x = 300,179,721,546.47 - Step 5: Solve for x
x = 300,179,721,546.47/579,814.68 - Step 6: Final answer
x = 517,716.66
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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.