Finding the Fourth Proportional to 744,517.12, 1,027,454.36 and 417,850.40
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Solution
The fourth proportional to 744,517.12, 1,027,454.36 and 417,850.40 is: 576,645.18
Step by Step Solution
- Step 1: Write the proportion equation
744,517.12 : 1,027,454.36 = 417,850.40 : x - Step 2: Convert to fraction form
744,517.12/1,027,454.36 = 417,850.40/x - Step 3: Cross multiply
744,517.12x = 1,027,454.36 × 417,850.40 - Step 4: Simplify right side
744,517.12x = 429,322,210,007.70 - Step 5: Solve for x
x = 429,322,210,007.70/744,517.12 - Step 6: Final answer
x = 576,645.18
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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.