Finding the Fourth Proportional to 675,744.99, 932,435.85 and 403,755.09
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Solution
The fourth proportional to 675,744.99, 932,435.85 and 403,755.09 is: 557,126.91
Step by Step Solution
- Step 1: Write the proportion equation
675,744.99 : 932,435.85 = 403,755.09 : x - Step 2: Convert to fraction form
675,744.99/932,435.85 = 403,755.09/x - Step 3: Cross multiply
675,744.99x = 932,435.85 × 403,755.09 - Step 4: Simplify right side
675,744.99x = 376,475,720,535.98 - Step 5: Solve for x
x = 376,475,720,535.98/675,744.99 - Step 6: Final answer
x = 557,126.91
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1.5x scale
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.