Finding the Fourth Proportional to 810,884.93, 1,119,044.58 and 448,332.21
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Solution
The fourth proportional to 810,884.93, 1,119,044.58 and 448,332.21 is: 618,711.37
Step by Step Solution
- Step 1: Write the proportion equation
810,884.93 : 1,119,044.58 = 448,332.21 : x - Step 2: Convert to fraction form
810,884.93/1,119,044.58 = 448,332.21/x - Step 3: Cross multiply
810,884.93x = 1,119,044.58 × 448,332.21 - Step 4: Simplify right side
810,884.93x = 501,703,729,639.92 - Step 5: Solve for x
x = 501,703,729,639.92/810,884.93 - Step 6: Final answer
x = 618,711.37
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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.