Finding the Fourth Proportional to 612,755.26, 845,590.12 and 340,817.31
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Solution
The fourth proportional to 612,755.26, 845,590.12 and 340,817.31 is: 470,321.14
Step by Step Solution
- Step 1: Write the proportion equation
612,755.26 : 845,590.12 = 340,817.31 : x - Step 2: Convert to fraction form
612,755.26/845,590.12 = 340,817.31/x - Step 3: Cross multiply
612,755.26x = 845,590.12 × 340,817.31 - Step 4: Simplify right side
612,755.26x = 288,191,749,208.93 - Step 5: Solve for x
x = 288,191,749,208.93/612,755.26 - Step 6: Final answer
x = 470,321.14
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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.