Finding the Fourth Proportional to 790,412.07, 1,090,771.39 and 427,835.84
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Solution
The fourth proportional to 790,412.07, 1,090,771.39 and 427,835.84 is: 590,414.94
Step by Step Solution
- Step 1: Write the proportion equation
790,412.07 : 1,090,771.39 = 427,835.84 : x - Step 2: Convert to fraction form
790,412.07/1,090,771.39 = 427,835.84/x - Step 3: Cross multiply
790,412.07x = 1,090,771.39 × 427,835.84 - Step 4: Simplify right side
790,412.07x = 466,671,093,888.62 - Step 5: Solve for x
x = 466,671,093,888.62/790,412.07 - Step 6: Final answer
x = 590,414.94
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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.