Finding the Fourth Proportional to 674,306.05, 930,560.62 and 402,531.68
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Solution
The fourth proportional to 674,306.05, 930,560.62 and 402,531.68 is: 555,504.62
Step by Step Solution
- Step 1: Write the proportion equation
674,306.05 : 930,560.62 = 402,531.68 : x - Step 2: Convert to fraction form
674,306.05/930,560.62 = 402,531.68/x - Step 3: Cross multiply
674,306.05x = 930,560.62 × 402,531.68 - Step 4: Simplify right side
674,306.05x = 374,580,126,550.86 - Step 5: Solve for x
x = 374,580,126,550.86/674,306.05 - Step 6: Final answer
x = 555,504.62
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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.