Finding the Fourth Proportional to 858,766.19, 1,185,134.36 and 476,793
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Solution
The fourth proportional to 858,766.19, 1,185,134.36 and 476,793 is: 657,994.89
Step by Step Solution
- Step 1: Write the proportion equation
858,766.19 : 1,185,134.36 = 476,793 : x - Step 2: Convert to fraction form
858,766.19/1,185,134.36 = 476,793/x - Step 3: Cross multiply
858,766.19x = 1,185,134.36 × 476,793 - Step 4: Simplify right side
858,766.19x = 565,063,764,523.52 - Step 5: Solve for x
x = 565,063,764,523.52/858,766.19 - Step 6: Final answer
x = 657,994.89
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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.