Finding the Fourth Proportional to 697,469.97, 962,260.76 and 455,891.79
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Solution
The fourth proportional to 697,469.97, 962,260.76 and 455,891.79 is: 628,968.70
Step by Step Solution
- Step 1: Write the proportion equation
697,469.97 : 962,260.76 = 455,891.79 : x - Step 2: Convert to fraction form
697,469.97/962,260.76 = 455,891.79/x - Step 3: Cross multiply
697,469.97x = 962,260.76 × 455,891.79 - Step 4: Simplify right side
697,469.97x = 438,686,778,043.70 - Step 5: Solve for x
x = 438,686,778,043.70/697,469.97 - Step 6: Final answer
x = 628,968.70
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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.