Finding the Fourth Proportional to 845,310.37, 1,267,830.69 and 312,710.26
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Solution
The fourth proportional to 845,310.37, 1,267,830.69 and 312,710.26 is: 469,015.50
Step by Step Solution
- Step 1: Write the proportion equation
845,310.37 : 1,267,830.69 = 312,710.26 : x - Step 2: Convert to fraction form
845,310.37/1,267,830.69 = 312,710.26/x - Step 3: Cross multiply
845,310.37x = 1,267,830.69 × 312,710.26 - Step 4: Simplify right side
845,310.37x = 396,463,664,705.88 - Step 5: Solve for x
x = 396,463,664,705.88/845,310.37 - Step 6: Final answer
x = 469,015.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.