Finding the Fourth Proportional to 504,165.36, 695,716.92 and 289,323.12
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Solution
The fourth proportional to 504,165.36, 695,716.92 and 289,323.12 is: 399,247.96
Step by Step Solution
- Step 1: Write the proportion equation
504,165.36 : 695,716.92 = 289,323.12 : x - Step 2: Convert to fraction form
504,165.36/695,716.92 = 289,323.12/x - Step 3: Cross multiply
504,165.36x = 695,716.92 × 289,323.12 - Step 4: Simplify right side
504,165.36x = 201,286,989,931.19 - Step 5: Solve for x
x = 201,286,989,931.19/504,165.36 - Step 6: Final answer
x = 399,247.96
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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.