Finding the Fourth Proportional to 858,953.44, 1,185,349.26 and 476,981.56
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Solution
The fourth proportional to 858,953.44, 1,185,349.26 and 476,981.56 is: 658,230.95
Step by Step Solution
- Step 1: Write the proportion equation
858,953.44 : 1,185,349.26 = 476,981.56 : x - Step 2: Convert to fraction form
858,953.44/1,185,349.26 = 476,981.56/x - Step 3: Cross multiply
858,953.44x = 1,185,349.26 × 476,981.56 - Step 4: Simplify right side
858,953.44x = 565,389,739,179.65 - Step 5: Solve for x
x = 565,389,739,179.65/858,953.44 - Step 6: Final answer
x = 658,230.95
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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.