Finding the Fourth Proportional to 813,232.41, 1,122,285.32 and 450,622.34
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Solution
The fourth proportional to 813,232.41, 1,122,285.32 and 450,622.34 is: 621,872.46
Step by Step Solution
- Step 1: Write the proportion equation
813,232.41 : 1,122,285.32 = 450,622.34 : x - Step 2: Convert to fraction form
813,232.41/1,122,285.32 = 450,622.34/x - Step 3: Cross multiply
813,232.41x = 1,122,285.32 × 450,622.34 - Step 4: Simplify right side
813,232.41x = 505,726,837,614.67 - Step 5: Solve for x
x = 505,726,837,614.67/813,232.41 - Step 6: Final answer
x = 621,872.46
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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.