Finding the Fourth Proportional to 616,437.82, 850,946.14 and 374,797.60
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Solution
The fourth proportional to 616,437.82, 850,946.14 and 374,797.60 is: 517,379.95
Step by Step Solution
- Step 1: Write the proportion equation
616,437.82 : 850,946.14 = 374,797.60 : x - Step 2: Convert to fraction form
616,437.82/850,946.14 = 374,797.60/x - Step 3: Cross multiply
616,437.82x = 850,946.14 × 374,797.60 - Step 4: Simplify right side
616,437.82x = 318,932,571,001.26 - Step 5: Solve for x
x = 318,932,571,001.26/616,437.82 - Step 6: Final answer
x = 517,379.95
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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.