Finding the Fourth Proportional to 603,427.13, 832,636.97 and 348,729.17
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Solution
The fourth proportional to 603,427.13, 832,636.97 and 348,729.17 is: 481,192.81
Step by Step Solution
- Step 1: Write the proportion equation
603,427.13 : 832,636.97 = 348,729.17 : x - Step 2: Convert to fraction form
603,427.13/832,636.97 = 348,729.17/x - Step 3: Cross multiply
603,427.13x = 832,636.97 × 348,729.17 - Step 4: Simplify right side
603,427.13x = 290,364,797,715.77 - Step 5: Solve for x
x = 290,364,797,715.77/603,427.13 - Step 6: Final answer
x = 481,192.81
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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.