Finding the Fourth Proportional to 765,193.16, 1,146,528.57 and 444,444.63
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Solution
The fourth proportional to 765,193.16, 1,146,528.57 and 444,444.63 is: 665,934.43
Step by Step Solution
- Step 1: Write the proportion equation
765,193.16 : 1,146,528.57 = 444,444.63 : x - Step 2: Convert to fraction form
765,193.16/1,146,528.57 = 444,444.63/x - Step 3: Cross multiply
765,193.16x = 1,146,528.57 × 444,444.63 - Step 4: Simplify right side
765,193.16x = 509,568,466,078.08 - Step 5: Solve for x
x = 509,568,466,078.08/765,193.16 - Step 6: Final answer
x = 665,934.43
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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.