Finding the Fourth Proportional to 659,441.58, 910,201.23 and 417,841.26
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Solution
The fourth proportional to 659,441.58, 910,201.23 and 417,841.26 is: 576,729.83
Step by Step Solution
- Step 1: Write the proportion equation
659,441.58 : 910,201.23 = 417,841.26 : x - Step 2: Convert to fraction form
659,441.58/910,201.23 = 417,841.26/x - Step 3: Cross multiply
659,441.58x = 910,201.23 × 417,841.26 - Step 4: Simplify right side
659,441.58x = 380,319,628,796.75 - Step 5: Solve for x
x = 380,319,628,796.75/659,441.58 - Step 6: Final answer
x = 576,729.83
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1.5x scale
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.