Finding the Fourth Proportional to 818,260.49, 1,129,181.82 and 450,747.90
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Solution
The fourth proportional to 818,260.49, 1,129,181.82 and 450,747.90 is: 622,022.38
Step by Step Solution
- Step 1: Write the proportion equation
818,260.49 : 1,129,181.82 = 450,747.90 : x - Step 2: Convert to fraction form
818,260.49/1,129,181.82 = 450,747.90/x - Step 3: Cross multiply
818,260.49x = 1,129,181.82 × 450,747.90 - Step 4: Simplify right side
818,260.49x = 508,976,334,083.18 - Step 5: Solve for x
x = 508,976,334,083.18/818,260.49 - Step 6: Final answer
x = 622,022.38
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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.