Finding the Fourth Proportional to 835,699.05, 1,253,548.58 and 782,554.95
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Solution
The fourth proportional to 835,699.05, 1,253,548.58 and 782,554.95 is: 1,173,832.43
Step by Step Solution
- Step 1: Write the proportion equation
835,699.05 : 1,253,548.58 = 782,554.95 : x - Step 2: Convert to fraction form
835,699.05/1,253,548.58 = 782,554.95/x - Step 3: Cross multiply
835,699.05x = 1,253,548.58 × 782,554.95 - Step 4: Simplify right side
835,699.05x = 980,970,642,431.70 - Step 5: Solve for x
x = 980,970,642,431.70/835,699.05 - Step 6: Final answer
x = 1,173,832.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.