Finding the Fourth Proportional to 492,419.07, 679,528.82 and 277,554.99
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Solution
The fourth proportional to 492,419.07, 679,528.82 and 277,554.99 is: 383,020.53
Step by Step Solution
- Step 1: Write the proportion equation
492,419.07 : 679,528.82 = 277,554.99 : x - Step 2: Convert to fraction form
492,419.07/679,528.82 = 277,554.99/x - Step 3: Cross multiply
492,419.07x = 679,528.82 × 277,554.99 - Step 4: Simplify right side
492,419.07x = 188,606,613,452.04 - Step 5: Solve for x
x = 188,606,613,452.04/492,419.07 - Step 6: Final answer
x = 383,020.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.