Finding the Fourth Proportional to 506,021.99, 698,291.18 and 276,577.38
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Solution
The fourth proportional to 506,021.99, 698,291.18 and 276,577.38 is: 381,666.31
Step by Step Solution
- Step 1: Write the proportion equation
506,021.99 : 698,291.18 = 276,577.38 : x - Step 2: Convert to fraction form
506,021.99/698,291.18 = 276,577.38/x - Step 3: Cross multiply
506,021.99x = 698,291.18 × 276,577.38 - Step 4: Simplify right side
506,021.99x = 193,131,543,658.62 - Step 5: Solve for x
x = 193,131,543,658.62/506,021.99 - Step 6: Final answer
x = 381,666.31
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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.