Finding the Fourth Proportional to 813,207.06, 1,122,232.32 and 450,636.96
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Solution
The fourth proportional to 813,207.06, 1,122,232.32 and 450,636.96 is: 621,882.65
Step by Step Solution
- Step 1: Write the proportion equation
813,207.06 : 1,122,232.32 = 450,636.96 : x - Step 2: Convert to fraction form
813,207.06/1,122,232.32 = 450,636.96/x - Step 3: Cross multiply
813,207.06x = 1,122,232.32 × 450,636.96 - Step 4: Simplify right side
813,207.06x = 505,719,361,098.55 - Step 5: Solve for x
x = 505,719,361,098.55/813,207.06 - Step 6: Final answer
x = 621,882.65
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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.