Finding the Fourth Proportional to 835,915.14, 1,153,563.12 and 453,941.82
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Solution
The fourth proportional to 835,915.14, 1,153,563.12 and 453,941.82 is: 626,439.83
Step by Step Solution
- Step 1: Write the proportion equation
835,915.14 : 1,153,563.12 = 453,941.82 : x - Step 2: Convert to fraction form
835,915.14/1,153,563.12 = 453,941.82/x - Step 3: Cross multiply
835,915.14x = 1,153,563.12 × 453,941.82 - Step 4: Simplify right side
835,915.14x = 523,650,542,177.68 - Step 5: Solve for x
x = 523,650,542,177.68/835,915.14 - Step 6: Final answer
x = 626,439.83
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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.