Finding the Fourth Proportional to 638,867.16, 957,353.99 and 259,326.05
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Solution
The fourth proportional to 638,867.16, 957,353.99 and 259,326.05 is: 388,604.77
Step by Step Solution
- Step 1: Write the proportion equation
638,867.16 : 957,353.99 = 259,326.05 : x - Step 2: Convert to fraction form
638,867.16/957,353.99 = 259,326.05/x - Step 3: Cross multiply
638,867.16x = 957,353.99 × 259,326.05 - Step 4: Simplify right side
638,867.16x = 248,266,822,595.04 - Step 5: Solve for x
x = 248,266,822,595.04/638,867.16 - Step 6: Final answer
x = 388,604.77
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.