Finding the Fourth Proportional to 756,957.74, 1,135,431.20 and 277,218.45
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Solution
The fourth proportional to 756,957.74, 1,135,431.20 and 277,218.45 is: 415,825.70
Step by Step Solution
- Step 1: Write the proportion equation
756,957.74 : 1,135,431.20 = 277,218.45 : x - Step 2: Convert to fraction form
756,957.74/1,135,431.20 = 277,218.45/x - Step 3: Cross multiply
756,957.74x = 1,135,431.20 × 277,218.45 - Step 4: Simplify right side
756,957.74x = 314,762,478,038.69 - Step 5: Solve for x
x = 314,762,478,038.69/756,957.74 - Step 6: Final answer
x = 415,825.70
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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.