Finding the Fourth Proportional to 919,940.18, 1,269,507.75 and 512,035.52
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Solution
The fourth proportional to 919,940.18, 1,269,507.75 and 512,035.52 is: 706,603.62
Step by Step Solution
- Step 1: Write the proportion equation
919,940.18 : 1,269,507.75 = 512,035.52 : x - Step 2: Convert to fraction form
919,940.18/1,269,507.75 = 512,035.52/x - Step 3: Cross multiply
919,940.18x = 1,269,507.75 × 512,035.52 - Step 4: Simplify right side
919,940.18x = 650,033,060,915.28 - Step 5: Solve for x
x = 650,033,060,915.28/919,940.18 - Step 6: Final answer
x = 706,603.62
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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.