Finding the Fourth Proportional to 489,027.09, 674,237.24 and 349,492.44
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Solution
The fourth proportional to 489,027.09, 674,237.24 and 349,492.44 is: 481,856.37
Step by Step Solution
- Step 1: Write the proportion equation
489,027.09 : 674,237.24 = 349,492.44 : x - Step 2: Convert to fraction form
489,027.09/674,237.24 = 349,492.44/x - Step 3: Cross multiply
489,027.09x = 674,237.24 × 349,492.44 - Step 4: Simplify right side
489,027.09x = 235,640,818,146.47 - Step 5: Solve for x
x = 235,640,818,146.47/489,027.09 - Step 6: Final answer
x = 481,856.37
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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.