Finding the Fourth Proportional to 503,395.68, 694,832.40 and 299,589.60
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Solution
The fourth proportional to 503,395.68, 694,832.40 and 299,589.60 is: 413,520.75
Step by Step Solution
- Step 1: Write the proportion equation
503,395.68 : 694,832.40 = 299,589.60 : x - Step 2: Convert to fraction form
503,395.68/694,832.40 = 299,589.60/x - Step 3: Cross multiply
503,395.68x = 694,832.40 × 299,589.60 - Step 4: Simplify right side
503,395.68x = 208,164,560,783.04 - Step 5: Solve for x
x = 208,164,560,783.04/503,395.68 - Step 6: Final answer
x = 413,520.75
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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.