Finding the Fourth Proportional to 858,786.95, 1,185,163.01 and 476,813.75
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Solution
The fourth proportional to 858,786.95, 1,185,163.01 and 476,813.75 is: 658,023.53
Step by Step Solution
- Step 1: Write the proportion equation
858,786.95 : 1,185,163.01 = 476,813.75 : x - Step 2: Convert to fraction form
858,786.95/1,185,163.01 = 476,813.75/x - Step 3: Cross multiply
858,786.95x = 1,185,163.01 × 476,813.75 - Step 4: Simplify right side
858,786.95x = 565,102,016,775.32 - Step 5: Solve for x
x = 565,102,016,775.32/858,786.95 - Step 6: Final answer
x = 658,023.53
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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.