Finding the Fourth Proportional to 835,930.08, 1,153,519.56 and 491,779.68
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Solution
The fourth proportional to 835,930.08, 1,153,519.56 and 491,779.68 is: 678,618.34
Step by Step Solution
- Step 1: Write the proportion equation
835,930.08 : 1,153,519.56 = 491,779.68 : x - Step 2: Convert to fraction form
835,930.08/1,153,519.56 = 491,779.68/x - Step 3: Cross multiply
835,930.08x = 1,153,519.56 × 491,779.68 - Step 4: Simplify right side
835,930.08x = 567,277,480,090.54 - Step 5: Solve for x
x = 567,277,480,090.54/835,930.08 - Step 6: Final answer
x = 678,618.34
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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.