Finding the Fourth Proportional to 753,409.33, 1,129,273.37 and 326,452.26
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Solution
The fourth proportional to 753,409.33, 1,129,273.37 and 326,452.26 is: 489,314.15
Step by Step Solution
- Step 1: Write the proportion equation
753,409.33 : 1,129,273.37 = 326,452.26 : x - Step 2: Convert to fraction form
753,409.33/1,129,273.37 = 326,452.26/x - Step 3: Cross multiply
753,409.33x = 1,129,273.37 × 326,452.26 - Step 4: Simplify right side
753,409.33x = 368,653,843,794.32 - Step 5: Solve for x
x = 368,653,843,794.32/753,409.33 - Step 6: Final answer
x = 489,314.15
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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.