Finding the Fourth Proportional to 985,895.84, 1,478,828.41 and 505,846.62
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Solution
The fourth proportional to 985,895.84, 1,478,828.41 and 505,846.62 is: 758,762.05
Step by Step Solution
- Step 1: Write the proportion equation
985,895.84 : 1,478,828.41 = 505,846.62 : x - Step 2: Convert to fraction form
985,895.84/1,478,828.41 = 505,846.62/x - Step 3: Cross multiply
985,895.84x = 1,478,828.41 × 505,846.62 - Step 4: Simplify right side
985,895.84x = 748,060,351,493.86 - Step 5: Solve for x
x = 748,060,351,493.86/985,895.84 - Step 6: Final answer
x = 758,762.05
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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.