Finding the Fourth Proportional to 725,982.98, 1,001,708.97 and 424,118.66
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Solution
The fourth proportional to 725,982.98, 1,001,708.97 and 424,118.66 is: 585,197.56
Step by Step Solution
- Step 1: Write the proportion equation
725,982.98 : 1,001,708.97 = 424,118.66 : x - Step 2: Convert to fraction form
725,982.98/1,001,708.97 = 424,118.66/x - Step 3: Cross multiply
725,982.98x = 1,001,708.97 × 424,118.66 - Step 4: Simplify right side
725,982.98x = 424,843,466,066.38 - Step 5: Solve for x
x = 424,843,466,066.38/725,982.98 - Step 6: Final answer
x = 585,197.56
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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.