Finding the Fourth Proportional to 858,885.84, 1,185,226.56 and 476,889.84
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Solution
The fourth proportional to 858,885.84, 1,185,226.56 and 476,889.84 is: 658,088.05
Step by Step Solution
- Step 1: Write the proportion equation
858,885.84 : 1,185,226.56 = 476,889.84 : x - Step 2: Convert to fraction form
858,885.84/1,185,226.56 = 476,889.84/x - Step 3: Cross multiply
858,885.84x = 1,185,226.56 × 476,889.84 - Step 4: Simplify right side
858,885.84x = 565,222,504,562.15 - Step 5: Solve for x
x = 565,222,504,562.15/858,885.84 - Step 6: Final answer
x = 658,088.05
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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.