Finding the Fourth Proportional to 818,407.44, 1,129,357.38 and 450,812.52
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Solution
The fourth proportional to 818,407.44, 1,129,357.38 and 450,812.52 is: 622,096.55
Step by Step Solution
- Step 1: Write the proportion equation
818,407.44 : 1,129,357.38 = 450,812.52 : x - Step 2: Convert to fraction form
818,407.44/1,129,357.38 = 450,812.52/x - Step 3: Cross multiply
818,407.44x = 1,129,357.38 × 450,812.52 - Step 4: Simplify right side
818,407.44x = 509,128,446,458.40 - Step 5: Solve for x
x = 509,128,446,458.40/818,407.44 - Step 6: Final answer
x = 622,096.55
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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.