Finding the Fourth Proportional to 545,963.04, 814,673.79 and 489,224.97
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Solution
The fourth proportional to 545,963.04, 814,673.79 and 489,224.97 is: 730,010.52
Step by Step Solution
- Step 1: Write the proportion equation
545,963.04 : 814,673.79 = 489,224.97 : x - Step 2: Convert to fraction form
545,963.04/814,673.79 = 489,224.97/x - Step 3: Cross multiply
545,963.04x = 814,673.79 × 489,224.97 - Step 4: Simplify right side
545,963.04x = 398,558,760,472.54 - Step 5: Solve for x
x = 398,558,760,472.54/545,963.04 - Step 6: Final answer
x = 730,010.52
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.