Finding the Fourth Proportional to 725,173.92, 1,000,418.04 and 483,220.44
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Solution
The fourth proportional to 725,173.92, 1,000,418.04 and 483,220.44 is: 666,629.66
Step by Step Solution
- Step 1: Write the proportion equation
725,173.92 : 1,000,418.04 = 483,220.44 : x - Step 2: Convert to fraction form
725,173.92/1,000,418.04 = 483,220.44/x - Step 3: Cross multiply
725,173.92x = 1,000,418.04 × 483,220.44 - Step 4: Simplify right side
725,173.92x = 483,422,445,472.74 - Step 5: Solve for x
x = 483,422,445,472.74/725,173.92 - Step 6: Final answer
x = 666,629.66
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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.