Finding the Fourth Proportional to 845,437.51, 1,268,311.74 and 276,850.27
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Solution
The fourth proportional to 845,437.51, 1,268,311.74 and 276,850.27 is: 415,326.32
Step by Step Solution
- Step 1: Write the proportion equation
845,437.51 : 1,268,311.74 = 276,850.27 : x - Step 2: Convert to fraction form
845,437.51/1,268,311.74 = 276,850.27/x - Step 3: Cross multiply
845,437.51x = 1,268,311.74 × 276,850.27 - Step 4: Simplify right side
845,437.51x = 351,132,447,663.17 - Step 5: Solve for x
x = 351,132,447,663.17/845,437.51 - Step 6: Final answer
x = 415,326.32
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1.5x scale
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.