Finding the Fourth Proportional to 756,028.08, 1,043,318.68 and 416,496.32
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Solution
The fourth proportional to 756,028.08, 1,043,318.68 and 416,496.32 is: 574,764.88
Step by Step Solution
- Step 1: Write the proportion equation
756,028.08 : 1,043,318.68 = 416,496.32 : x - Step 2: Convert to fraction form
756,028.08/1,043,318.68 = 416,496.32/x - Step 3: Cross multiply
756,028.08x = 1,043,318.68 × 416,496.32 - Step 4: Simplify right side
756,028.08x = 434,538,390,807.26 - Step 5: Solve for x
x = 434,538,390,807.26/756,028.08 - Step 6: Final answer
x = 574,764.88
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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.