Finding the Fourth Proportional to 518,537.80, 777,345.90 and 341,129.80
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Solution
The fourth proportional to 518,537.80, 777,345.90 and 341,129.80 is: 511,391.55
Step by Step Solution
- Step 1: Write the proportion equation
518,537.80 : 777,345.90 = 341,129.80 : x - Step 2: Convert to fraction form
518,537.80/777,345.90 = 341,129.80/x - Step 3: Cross multiply
518,537.80x = 777,345.90 × 341,129.80 - Step 4: Simplify right side
518,537.80x = 265,175,851,397.82 - Step 5: Solve for x
x = 265,175,851,397.82/518,537.80 - Step 6: Final answer
x = 511,391.55
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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.