Finding the Fourth Proportional to 836,406.24, 1,255,240.30 and 387,442.14
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Solution
The fourth proportional to 836,406.24, 1,255,240.30 and 387,442.14 is: 581,455.48
Step by Step Solution
- Step 1: Write the proportion equation
836,406.24 : 1,255,240.30 = 387,442.14 : x - Step 2: Convert to fraction form
836,406.24/1,255,240.30 = 387,442.14/x - Step 3: Cross multiply
836,406.24x = 1,255,240.30 × 387,442.14 - Step 4: Simplify right side
836,406.24x = 486,332,988,046.24 - Step 5: Solve for x
x = 486,332,988,046.24/836,406.24 - Step 6: Final answer
x = 581,455.48
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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.