Finding the Fourth Proportional to 616,743.68, 851,059.32 and 374,992.70
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Solution
The fourth proportional to 616,743.68, 851,059.32 and 374,992.70 is: 517,461.37
Step by Step Solution
- Step 1: Write the proportion equation
616,743.68 : 851,059.32 = 374,992.70 : x - Step 2: Convert to fraction form
616,743.68/851,059.32 = 374,992.70/x - Step 3: Cross multiply
616,743.68x = 851,059.32 × 374,992.70 - Step 4: Simplify right side
616,743.68x = 319,141,032,266.96 - Step 5: Solve for x
x = 319,141,032,266.96/616,743.68 - Step 6: Final answer
x = 517,461.37
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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.