Finding the Fourth Proportional to 835,622.70, 1,153,164.04 and 491,473.14
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Solution
The fourth proportional to 835,622.70, 1,153,164.04 and 491,473.14 is: 678,235.71
Step by Step Solution
- Step 1: Write the proportion equation
835,622.70 : 1,153,164.04 = 491,473.14 : x - Step 2: Convert to fraction form
835,622.70/1,153,164.04 = 491,473.14/x - Step 3: Cross multiply
835,622.70x = 1,153,164.04 × 491,473.14 - Step 4: Simplify right side
835,622.70x = 566,749,151,673.89 - Step 5: Solve for x
x = 566,749,151,673.89/835,622.70 - Step 6: Final answer
x = 678,235.71
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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.