Finding the Fourth Proportional to 813,735.06, 1,122,952.36 and 451,149.62
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Solution
The fourth proportional to 813,735.06, 1,122,952.36 and 451,149.62 is: 622,585.35
Step by Step Solution
- Step 1: Write the proportion equation
813,735.06 : 1,122,952.36 = 451,149.62 : x - Step 2: Convert to fraction form
813,735.06/1,122,952.36 = 451,149.62/x - Step 3: Cross multiply
813,735.06x = 1,122,952.36 × 451,149.62 - Step 4: Simplify right side
813,735.06x = 506,619,530,492.10 - Step 5: Solve for x
x = 506,619,530,492.10/813,735.06 - Step 6: Final answer
x = 622,585.35
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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.