Finding the Fourth Proportional to 853,586.91, 1,177,997.18 and 471,605.49
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Solution
The fourth proportional to 853,586.91, 1,177,997.18 and 471,605.49 is: 650,841.68
Step by Step Solution
- Step 1: Write the proportion equation
853,586.91 : 1,177,997.18 = 471,605.49 : x - Step 2: Convert to fraction form
853,586.91/1,177,997.18 = 471,605.49/x - Step 3: Cross multiply
853,586.91x = 1,177,997.18 × 471,605.49 - Step 4: Simplify right side
853,586.91x = 555,549,934,934.49 - Step 5: Solve for x
x = 555,549,934,934.49/853,586.91 - Step 6: Final answer
x = 650,841.68
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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.