Finding the Fourth Proportional to 858,992.14, 1,185,423.39 and 471,843.36
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Solution
The fourth proportional to 858,992.14, 1,185,423.39 and 471,843.36 is: 651,151.66
Step by Step Solution
- Step 1: Write the proportion equation
858,992.14 : 1,185,423.39 = 471,843.36 : x - Step 2: Convert to fraction form
858,992.14/1,185,423.39 = 471,843.36/x - Step 3: Cross multiply
858,992.14x = 1,185,423.39 × 471,843.36 - Step 4: Simplify right side
858,992.14x = 559,334,155,360.19 - Step 5: Solve for x
x = 559,334,155,360.19/858,992.14 - Step 6: Final answer
x = 651,151.66
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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.