Finding the Fourth Proportional to 503,445.24, 694,756.14 and 288,598.20
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Solution
The fourth proportional to 503,445.24, 694,756.14 and 288,598.20 is: 398,266.50
Step by Step Solution
- Step 1: Write the proportion equation
503,445.24 : 694,756.14 = 288,598.20 : x - Step 2: Convert to fraction form
503,445.24/694,756.14 = 288,598.20/x - Step 3: Cross multiply
503,445.24x = 694,756.14 × 288,598.20 - Step 4: Simplify right side
503,445.24x = 200,505,371,442.95 - Step 5: Solve for x
x = 200,505,371,442.95/503,445.24 - Step 6: Final answer
x = 398,266.50
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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.