Finding the Fourth Proportional to 929,509.17, 1,394,234.58 and 511,413.09
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Solution
The fourth proportional to 929,509.17, 1,394,234.58 and 511,413.09 is: 767,103.58
Step by Step Solution
- Step 1: Write the proportion equation
929,509.17 : 1,394,234.58 = 511,413.09 : x - Step 2: Convert to fraction form
929,509.17/1,394,234.58 = 511,413.09/x - Step 3: Cross multiply
929,509.17x = 1,394,234.58 × 511,413.09 - Step 4: Simplify right side
929,509.17x = 713,029,814,742.65 - Step 5: Solve for x
x = 713,029,814,742.65/929,509.17 - Step 6: Final answer
x = 767,103.58
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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.