Finding the Fourth Proportional to 679,326.67, 935,850.54 and 474,995.26
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Solution
The fourth proportional to 679,326.67, 935,850.54 and 474,995.26 is: 654,360.55
Step by Step Solution
- Step 1: Write the proportion equation
679,326.67 : 935,850.54 = 474,995.26 : x - Step 2: Convert to fraction form
679,326.67/935,850.54 = 474,995.26/x - Step 3: Cross multiply
679,326.67x = 935,850.54 × 474,995.26 - Step 4: Simplify right side
679,326.67x = 444,524,570,568.44 - Step 5: Solve for x
x = 444,524,570,568.44/679,326.67 - Step 6: Final answer
x = 654,360.55
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1.5x scale
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.