Finding the Fourth Proportional to 909,474.44, 1,255,163.48 and 679,632.65
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Solution
The fourth proportional to 909,474.44, 1,255,163.48 and 679,632.65 is: 937,959.38
Step by Step Solution
- Step 1: Write the proportion equation
909,474.44 : 1,255,163.48 = 679,632.65 : x - Step 2: Convert to fraction form
909,474.44/1,255,163.48 = 679,632.65/x - Step 3: Cross multiply
909,474.44x = 1,255,163.48 × 679,632.65 - Step 4: Simplify right side
909,474.44x = 853,050,082,095.62 - Step 5: Solve for x
x = 853,050,082,095.62/909,474.44 - Step 6: Final answer
x = 937,959.38
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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.