Finding the Fourth Proportional to 813,243, 1,122,277.96 and 450,672.82
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Solution
The fourth proportional to 813,243, 1,122,277.96 and 450,672.82 is: 621,929.94
Step by Step Solution
- Step 1: Write the proportion equation
813,243 : 1,122,277.96 = 450,672.82 : x - Step 2: Convert to fraction form
813,243/1,122,277.96 = 450,672.82/x - Step 3: Cross multiply
813,243x = 1,122,277.96 × 450,672.82 - Step 4: Simplify right side
813,243x = 505,780,173,057.05 - Step 5: Solve for x
x = 505,780,173,057.05/813,243 - Step 6: Final answer
x = 621,929.94
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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.