Finding the Fourth Proportional to 606,135.36, 836,124.30 and 379,387.20
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Solution
The fourth proportional to 606,135.36, 836,124.30 and 379,387.20 is: 523,339.96
Step by Step Solution
- Step 1: Write the proportion equation
606,135.36 : 836,124.30 = 379,387.20 : x - Step 2: Convert to fraction form
606,135.36/836,124.30 = 379,387.20/x - Step 3: Cross multiply
606,135.36x = 836,124.30 × 379,387.20 - Step 4: Simplify right side
606,135.36x = 317,214,857,028.96 - Step 5: Solve for x
x = 317,214,857,028.96/606,135.36 - Step 6: Final answer
x = 523,339.96
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1.5x scale
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.