Finding the Fourth Proportional to 919,940.68, 1,269,508.44 and 512,036.02
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Solution
The fourth proportional to 919,940.68, 1,269,508.44 and 512,036.02 is: 706,604.31
Step by Step Solution
- Step 1: Write the proportion equation
919,940.68 : 1,269,508.44 = 512,036.02 : x - Step 2: Convert to fraction form
919,940.68/1,269,508.44 = 512,036.02/x - Step 3: Cross multiply
919,940.68x = 1,269,508.44 × 512,036.02 - Step 4: Simplify right side
919,940.68x = 650,034,048,974.01 - Step 5: Solve for x
x = 650,034,048,974.01/919,940.68 - Step 6: Final answer
x = 706,604.31
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.