Finding the Fourth Proportional to 711,885.12, 1,067,827.68 and 327,595.20
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Solution
The fourth proportional to 711,885.12, 1,067,827.68 and 327,595.20 is: 491,392.80
Step by Step Solution
- Step 1: Write the proportion equation
711,885.12 : 1,067,827.68 = 327,595.20 : x - Step 2: Convert to fraction form
711,885.12/1,067,827.68 = 327,595.20/x - Step 3: Cross multiply
711,885.12x = 1,067,827.68 × 327,595.20 - Step 4: Simplify right side
711,885.12x = 349,815,222,395.14 - Step 5: Solve for x
x = 349,815,222,395.14/711,885.12 - Step 6: Final answer
x = 491,392.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.