Finding the Fourth Proportional to 813,736.06, 1,122,953.74 and 451,150.62
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Solution
The fourth proportional to 813,736.06, 1,122,953.74 and 451,150.62 is: 622,586.73
Step by Step Solution
- Step 1: Write the proportion equation
813,736.06 : 1,122,953.74 = 451,150.62 : x - Step 2: Convert to fraction form
813,736.06/1,122,953.74 = 451,150.62/x - Step 3: Cross multiply
813,736.06x = 1,122,953.74 × 451,150.62 - Step 4: Simplify right side
813,736.06x = 506,621,276,032.32 - Step 5: Solve for x
x = 506,621,276,032.32/813,736.06 - Step 6: Final answer
x = 622,586.73
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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.