Finding the Fourth Proportional to 873,945.44, 1,206,067.02 and 491,985.62
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Solution
The fourth proportional to 873,945.44, 1,206,067.02 and 491,985.62 is: 678,952.72
Step by Step Solution
- Step 1: Write the proportion equation
873,945.44 : 1,206,067.02 = 491,985.62 : x - Step 2: Convert to fraction form
873,945.44/1,206,067.02 = 491,985.62/x - Step 3: Cross multiply
873,945.44x = 1,206,067.02 × 491,985.62 - Step 4: Simplify right side
873,945.44x = 593,367,630,596.25 - Step 5: Solve for x
x = 593,367,630,596.25/873,945.44 - Step 6: Final answer
x = 678,952.72
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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.