Finding the Fourth Proportional to 683,220.57, 1,024,277.01 and 284,160.09
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Solution
The fourth proportional to 683,220.57, 1,024,277.01 and 284,160.09 is: 426,009.78
Step by Step Solution
- Step 1: Write the proportion equation
683,220.57 : 1,024,277.01 = 284,160.09 : x - Step 2: Convert to fraction form
683,220.57/1,024,277.01 = 284,160.09/x - Step 3: Cross multiply
683,220.57x = 1,024,277.01 × 284,160.09 - Step 4: Simplify right side
683,220.57x = 291,058,647,346.53 - Step 5: Solve for x
x = 291,058,647,346.53/683,220.57 - Step 6: Final answer
x = 426,009.78
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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.