Finding the Fourth Proportional to 813,315.24, 1,122,374.97 and 450,793.56
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Solution
The fourth proportional to 813,315.24, 1,122,374.97 and 450,793.56 is: 622,095.08
Step by Step Solution
- Step 1: Write the proportion equation
813,315.24 : 1,122,374.97 = 450,793.56 : x - Step 2: Convert to fraction form
813,315.24/1,122,374.97 = 450,793.56/x - Step 3: Cross multiply
813,315.24x = 1,122,374.97 × 450,793.56 - Step 4: Simplify right side
813,315.24x = 505,959,408,381.19 - Step 5: Solve for x
x = 505,959,408,381.19/813,315.24 - Step 6: Final answer
x = 622,095.08
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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.