Finding the Fourth Proportional to 790,226.23, 1,090,514.13 and 427,652.72
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Solution
The fourth proportional to 790,226.23, 1,090,514.13 and 427,652.72 is: 590,161.80
Step by Step Solution
- Step 1: Write the proportion equation
790,226.23 : 1,090,514.13 = 427,652.72 : x - Step 2: Convert to fraction form
790,226.23/1,090,514.13 = 427,652.72/x - Step 3: Cross multiply
790,226.23x = 1,090,514.13 × 427,652.72 - Step 4: Simplify right side
790,226.23x = 466,361,335,195.94 - Step 5: Solve for x
x = 466,361,335,195.94/790,226.23 - Step 6: Final answer
x = 590,161.80
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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.