Finding the Fourth Proportional to 677,448.09, 1,016,565.80 and 303,471.09
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Solution
The fourth proportional to 677,448.09, 1,016,565.80 and 303,471.09 is: 455,382.99
Step by Step Solution
- Step 1: Write the proportion equation
677,448.09 : 1,016,565.80 = 303,471.09 : x - Step 2: Convert to fraction form
677,448.09/1,016,565.80 = 303,471.09/x - Step 3: Cross multiply
677,448.09x = 1,016,565.80 × 303,471.09 - Step 4: Simplify right side
677,448.09x = 308,498,335,953.52 - Step 5: Solve for x
x = 308,498,335,953.52/677,448.09 - Step 6: Final answer
x = 455,382.99
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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.