Finding the Fourth Proportional to 522,293.12, 720,723.84 and 295,974.08
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Solution
The fourth proportional to 522,293.12, 720,723.84 and 295,974.08 is: 408,421.19
Step by Step Solution
- Step 1: Write the proportion equation
522,293.12 : 720,723.84 = 295,974.08 : x - Step 2: Convert to fraction form
522,293.12/720,723.84 = 295,974.08/x - Step 3: Cross multiply
522,293.12x = 720,723.84 × 295,974.08 - Step 4: Simplify right side
522,293.12x = 213,315,575,478.07 - Step 5: Solve for x
x = 213,315,575,478.07/522,293.12 - Step 6: Final answer
x = 408,421.19
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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.