Finding the Fourth Proportional to 878,986.36, 1,317,115.50 and 609,640.12
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Solution
The fourth proportional to 878,986.36, 1,317,115.50 and 609,640.12 is: 913,514.12
Step by Step Solution
- Step 1: Write the proportion equation
878,986.36 : 1,317,115.50 = 609,640.12 : x - Step 2: Convert to fraction form
878,986.36/1,317,115.50 = 609,640.12/x - Step 3: Cross multiply
878,986.36x = 1,317,115.50 × 609,640.12 - Step 4: Simplify right side
878,986.36x = 802,966,451,473.86 - Step 5: Solve for x
x = 802,966,451,473.86/878,986.36 - Step 6: Final answer
x = 913,514.12
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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.