Finding the Fourth Proportional to 775,554.64, 1,163,677.97 and 396,275.72
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Solution
The fourth proportional to 775,554.64, 1,163,677.97 and 396,275.72 is: 594,590.37
Step by Step Solution
- Step 1: Write the proportion equation
775,554.64 : 1,163,677.97 = 396,275.72 : x - Step 2: Convert to fraction form
775,554.64/1,163,677.97 = 396,275.72/x - Step 3: Cross multiply
775,554.64x = 1,163,677.97 × 396,275.72 - Step 4: Simplify right side
775,554.64x = 461,137,320,519.32 - Step 5: Solve for x
x = 461,137,320,519.32/775,554.64 - Step 6: Final answer
x = 594,590.37
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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.