Finding the Fourth Proportional to 858,458.92, 1,288,536.30 and 644,482.84
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Solution
The fourth proportional to 858,458.92, 1,288,536.30 and 644,482.84 is: 967,360.83
Step by Step Solution
- Step 1: Write the proportion equation
858,458.92 : 1,288,536.30 = 644,482.84 : x - Step 2: Convert to fraction form
858,458.92/1,288,536.30 = 644,482.84/x - Step 3: Cross multiply
858,458.92x = 1,288,536.30 × 644,482.84 - Step 4: Simplify right side
858,458.92x = 830,439,534,067.09 - Step 5: Solve for x
x = 830,439,534,067.09/858,458.92 - Step 6: Final answer
x = 967,360.83
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.