Finding the Fourth Proportional to 777,345.64, 1,166,175.20 and 328,066.99
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Solution
The fourth proportional to 777,345.64, 1,166,175.20 and 328,066.99 is: 492,166.63
Step by Step Solution
- Step 1: Write the proportion equation
777,345.64 : 1,166,175.20 = 328,066.99 : x - Step 2: Convert to fraction form
777,345.64/1,166,175.20 = 328,066.99/x - Step 3: Cross multiply
777,345.64x = 1,166,175.20 × 328,066.99 - Step 4: Simplify right side
777,345.64x = 382,583,587,676.65 - Step 5: Solve for x
x = 382,583,587,676.65/777,345.64 - Step 6: Final answer
x = 492,166.63
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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.