Finding the Fourth Proportional to 616,348.97, 850,823.54 and 374,708.70
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Solution
The fourth proportional to 616,348.97, 850,823.54 and 374,708.70 is: 517,257.27
Step by Step Solution
- Step 1: Write the proportion equation
616,348.97 : 850,823.54 = 374,708.70 : x - Step 2: Convert to fraction form
616,348.97/850,823.54 = 374,708.70/x - Step 3: Cross multiply
616,348.97x = 850,823.54 × 374,708.70 - Step 4: Simplify right side
616,348.97x = 318,810,980,729.26 - Step 5: Solve for x
x = 318,810,980,729.26/616,348.97 - Step 6: Final answer
x = 517,257.27
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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.