Finding the Fourth Proportional to 476,846.38, 658,110.99 and 307,572.58
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Solution
The fourth proportional to 476,846.38, 658,110.99 and 307,572.58 is: 424,490.79
Step by Step Solution
- Step 1: Write the proportion equation
476,846.38 : 658,110.99 = 307,572.58 : x - Step 2: Convert to fraction form
476,846.38/658,110.99 = 307,572.58/x - Step 3: Cross multiply
476,846.38x = 658,110.99 × 307,572.58 - Step 4: Simplify right side
476,846.38x = 202,416,895,120.65 - Step 5: Solve for x
x = 202,416,895,120.65/476,846.38 - Step 6: Final answer
x = 424,490.79
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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.