Finding the Fourth Proportional to 683,072.08, 942,654.30 and 377,147.44
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Solution
The fourth proportional to 683,072.08, 942,654.30 and 377,147.44 is: 520,471.66
Step by Step Solution
- Step 1: Write the proportion equation
683,072.08 : 942,654.30 = 377,147.44 : x - Step 2: Convert to fraction form
683,072.08/942,654.30 = 377,147.44/x - Step 3: Cross multiply
683,072.08x = 942,654.30 × 377,147.44 - Step 4: Simplify right side
683,072.08x = 355,519,656,049.99 - Step 5: Solve for x
x = 355,519,656,049.99/683,072.08 - Step 6: Final answer
x = 520,471.66
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1.5x scale
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.