Finding the Fourth Proportional to 790,190.97, 1,090,463.49 and 427,614.81
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Solution
The fourth proportional to 790,190.97, 1,090,463.49 and 427,614.81 is: 590,108.41
Step by Step Solution
- Step 1: Write the proportion equation
790,190.97 : 1,090,463.49 = 427,614.81 : x - Step 2: Convert to fraction form
790,190.97/1,090,463.49 = 427,614.81/x - Step 3: Cross multiply
790,190.97x = 1,090,463.49 × 427,614.81 - Step 4: Simplify right side
790,190.97x = 466,298,338,088.29 - Step 5: Solve for x
x = 466,298,338,088.29/790,190.97 - Step 6: Final answer
x = 590,108.41
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1.5x scale
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.