Finding the Fourth Proportional to 679,531.68, 938,240.82 and 476,034.12
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Solution
The fourth proportional to 679,531.68, 938,240.82 and 476,034.12 is: 657,268.32
Step by Step Solution
- Step 1: Write the proportion equation
679,531.68 : 938,240.82 = 476,034.12 : x - Step 2: Convert to fraction form
679,531.68/938,240.82 = 476,034.12/x - Step 3: Cross multiply
679,531.68x = 938,240.82 × 476,034.12 - Step 4: Simplify right side
679,531.68x = 446,634,643,096.78 - Step 5: Solve for x
x = 446,634,643,096.78/679,531.68 - Step 6: Final answer
x = 657,268.32
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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.