Finding the Fourth Proportional to 835,779.08, 1,153,342.78 and 453,797.12
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Solution
The fourth proportional to 835,779.08, 1,153,342.78 and 453,797.12 is: 626,222.46
Step by Step Solution
- Step 1: Write the proportion equation
835,779.08 : 1,153,342.78 = 453,797.12 : x - Step 2: Convert to fraction form
835,779.08/1,153,342.78 = 453,797.12/x - Step 3: Cross multiply
835,779.08x = 1,153,342.78 × 453,797.12 - Step 4: Simplify right side
835,779.08x = 523,383,631,936.79 - Step 5: Solve for x
x = 523,383,631,936.79/835,779.08 - Step 6: Final answer
x = 626,222.46
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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.