Finding the Fourth Proportional to 436,929.80, 655,394.70 and 296,961.80
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Solution
The fourth proportional to 436,929.80, 655,394.70 and 296,961.80 is: 445,442.70
Step by Step Solution
- Step 1: Write the proportion equation
436,929.80 : 655,394.70 = 296,961.80 : x - Step 2: Convert to fraction form
436,929.80/655,394.70 = 296,961.80/x - Step 3: Cross multiply
436,929.80x = 655,394.70 × 296,961.80 - Step 4: Simplify right side
436,929.80x = 194,627,189,822.46 - Step 5: Solve for x
x = 194,627,189,822.46/436,929.80 - Step 6: Final answer
x = 445,442.70
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1.5x scale
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.