Finding the Fourth Proportional to 677,462.62, 934,831.03 and 391,074.97
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Solution
The fourth proportional to 677,462.62, 934,831.03 and 391,074.97 is: 539,644.56
Step by Step Solution
- Step 1: Write the proportion equation
677,462.62 : 934,831.03 = 391,074.97 : x - Step 2: Convert to fraction form
677,462.62/934,831.03 = 391,074.97/x - Step 3: Cross multiply
677,462.62x = 934,831.03 × 391,074.97 - Step 4: Simplify right side
677,462.62x = 365,589,017,012.32 - Step 5: Solve for x
x = 365,589,017,012.32/677,462.62 - Step 6: Final answer
x = 539,644.56
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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.