Finding the Fourth Proportional to 783,901.11, 1,175,968.52 and 278,419.62
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Solution
The fourth proportional to 783,901.11, 1,175,968.52 and 278,419.62 is: 417,670.93
Step by Step Solution
- Step 1: Write the proportion equation
783,901.11 : 1,175,968.52 = 278,419.62 : x - Step 2: Convert to fraction form
783,901.11/1,175,968.52 = 278,419.62/x - Step 3: Cross multiply
783,901.11x = 1,175,968.52 × 278,419.62 - Step 4: Simplify right side
783,901.11x = 327,412,707,078.26 - Step 5: Solve for x
x = 327,412,707,078.26/783,901.11 - Step 6: Final answer
x = 417,670.93
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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.