Finding the Fourth Proportional to 681,742.26, 942,504.93 and 511,681.14
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Solution
The fourth proportional to 681,742.26, 942,504.93 and 511,681.14 is: 707,396.37
Step by Step Solution
- Step 1: Write the proportion equation
681,742.26 : 942,504.93 = 511,681.14 : x - Step 2: Convert to fraction form
681,742.26/942,504.93 = 511,681.14/x - Step 3: Cross multiply
681,742.26x = 942,504.93 × 511,681.14 - Step 4: Simplify right side
681,742.26x = 482,261,997,038.02 - Step 5: Solve for x
x = 482,261,997,038.02/681,742.26 - Step 6: Final answer
x = 707,396.37
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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.