Finding the Fourth Proportional to 985,984.84, 1,478,977.32 and 321,136.84
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Solution
The fourth proportional to 985,984.84, 1,478,977.32 and 321,136.84 is: 481,705.28
Step by Step Solution
- Step 1: Write the proportion equation
985,984.84 : 1,478,977.32 = 321,136.84 : x - Step 2: Convert to fraction form
985,984.84/1,478,977.32 = 321,136.84/x - Step 3: Cross multiply
985,984.84x = 1,478,977.32 × 321,136.84 - Step 4: Simplify right side
985,984.84x = 474,954,102,976.47 - Step 5: Solve for x
x = 474,954,102,976.47/985,984.84 - Step 6: Final answer
x = 481,705.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.