Finding the Fourth Proportional to 559,528.49, 772,149.61 and 304,879.68
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Solution
The fourth proportional to 559,528.49, 772,149.61 and 304,879.68 is: 420,734.12
Step by Step Solution
- Step 1: Write the proportion equation
559,528.49 : 772,149.61 = 304,879.68 : x - Step 2: Convert to fraction form
559,528.49/772,149.61 = 304,879.68/x - Step 3: Cross multiply
559,528.49x = 772,149.61 × 304,879.68 - Step 4: Simplify right side
559,528.49x = 235,412,726,390.02 - Step 5: Solve for x
x = 235,412,726,390.02/559,528.49 - Step 6: Final answer
x = 420,734.12
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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.