Finding the Fourth Proportional to 727,789.67, 1,086,567.09 and 556,112.91
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Solution
The fourth proportional to 727,789.67, 1,086,567.09 and 556,112.91 is: 830,259.09
Step by Step Solution
- Step 1: Write the proportion equation
727,789.67 : 1,086,567.09 = 556,112.91 : x - Step 2: Convert to fraction form
727,789.67/1,086,567.09 = 556,112.91/x - Step 3: Cross multiply
727,789.67x = 1,086,567.09 × 556,112.91 - Step 4: Simplify right side
727,789.67x = 604,253,986,330.13 - Step 5: Solve for x
x = 604,253,986,330.13/727,789.67 - Step 6: Final answer
x = 830,259.09
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.