Finding the Fourth Proportional to 946,383.90, 1,305,960.38 and 516,580.99
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Solution
The fourth proportional to 946,383.90, 1,305,960.38 and 516,580.99 is: 712,854.80
Step by Step Solution
- Step 1: Write the proportion equation
946,383.90 : 1,305,960.38 = 516,580.99 : x - Step 2: Convert to fraction form
946,383.90/1,305,960.38 = 516,580.99/x - Step 3: Cross multiply
946,383.90x = 1,305,960.38 × 516,580.99 - Step 4: Simplify right side
946,383.90x = 674,634,306,001.18 - Step 5: Solve for x
x = 674,634,306,001.18/946,383.90 - Step 6: Final answer
x = 712,854.80
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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.