Finding the Fourth Proportional to 932,421.15, 1,398,864.49 and 325,218.19
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Solution
The fourth proportional to 932,421.15, 1,398,864.49 and 325,218.19 is: 487,908.47
Step by Step Solution
- Step 1: Write the proportion equation
932,421.15 : 1,398,864.49 = 325,218.19 : x - Step 2: Convert to fraction form
932,421.15/1,398,864.49 = 325,218.19/x - Step 3: Cross multiply
932,421.15x = 1,398,864.49 × 325,218.19 - Step 4: Simplify right side
932,421.15x = 454,936,177,493.07 - Step 5: Solve for x
x = 454,936,177,493.07/932,421.15 - Step 6: Final answer
x = 487,908.47
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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.