Finding the Fourth Proportional to 706,458.79, 974,938.72 and 404,711.11
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Solution
The fourth proportional to 706,458.79, 974,938.72 and 404,711.11 is: 558,515.99
Step by Step Solution
- Step 1: Write the proportion equation
706,458.79 : 974,938.72 = 404,711.11 : x - Step 2: Convert to fraction form
706,458.79/974,938.72 = 404,711.11/x - Step 3: Cross multiply
706,458.79x = 974,938.72 × 404,711.11 - Step 4: Simplify right side
706,458.79x = 394,568,526,678.49 - Step 5: Solve for x
x = 394,568,526,678.49/706,458.79 - Step 6: Final answer
x = 558,515.99
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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.