Finding the Fourth Proportional to 715,310.96, 1,072,799.96 and 266,243.31
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Solution
The fourth proportional to 715,310.96, 1,072,799.96 and 266,243.31 is: 399,303.00
Step by Step Solution
- Step 1: Write the proportion equation
715,310.96 : 1,072,799.96 = 266,243.31 : x - Step 2: Convert to fraction form
715,310.96/1,072,799.96 = 266,243.31/x - Step 3: Cross multiply
715,310.96x = 1,072,799.96 × 266,243.31 - Step 4: Simplify right side
715,310.96x = 285,625,810,987.05 - Step 5: Solve for x
x = 285,625,810,987.05/715,310.96 - Step 6: Final answer
x = 399,303.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.