Finding the Fourth Proportional to 681,569.26, 940,553.34 and 371,474.63
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Solution
The fourth proportional to 681,569.26, 940,553.34 and 371,474.63 is: 512,628.32
Step by Step Solution
- Step 1: Write the proportion equation
681,569.26 : 940,553.34 = 371,474.63 : x - Step 2: Convert to fraction form
681,569.26/940,553.34 = 371,474.63/x - Step 3: Cross multiply
681,569.26x = 940,553.34 × 371,474.63 - Step 4: Simplify right side
681,569.26x = 349,391,707,182.67 - Step 5: Solve for x
x = 349,391,707,182.67/681,569.26 - Step 6: Final answer
x = 512,628.32
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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.