Finding the Fourth Proportional to 885,514.48, 1,222,104.11 and 541,551.62
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Solution
The fourth proportional to 885,514.48, 1,222,104.11 and 541,551.62 is: 747,398.80
Step by Step Solution
- Step 1: Write the proportion equation
885,514.48 : 1,222,104.11 = 541,551.62 : x - Step 2: Convert to fraction form
885,514.48/1,222,104.11 = 541,551.62/x - Step 3: Cross multiply
885,514.48x = 1,222,104.11 × 541,551.62 - Step 4: Simplify right side
885,514.48x = 661,832,460,926.66 - Step 5: Solve for x
x = 661,832,460,926.66/885,514.48 - Step 6: Final answer
x = 747,398.80
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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.