Finding the Fourth Proportional to 486,044.58, 670,243.77 and 322,643.44
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Solution
The fourth proportional to 486,044.58, 670,243.77 and 322,643.44 is: 444,917.53
Step by Step Solution
- Step 1: Write the proportion equation
486,044.58 : 670,243.77 = 322,643.44 : x - Step 2: Convert to fraction form
486,044.58/670,243.77 = 322,643.44/x - Step 3: Cross multiply
486,044.58x = 670,243.77 × 322,643.44 - Step 4: Simplify right side
486,044.58x = 216,249,755,591.37 - Step 5: Solve for x
x = 216,249,755,591.37/486,044.58 - Step 6: Final answer
x = 444,917.53
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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.