Finding the Fourth Proportional to 504,572.88, 696,309.84 and 278,218.92
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Solution
The fourth proportional to 504,572.88, 696,309.84 and 278,218.92 is: 383,941.70
Step by Step Solution
- Step 1: Write the proportion equation
504,572.88 : 696,309.84 = 278,218.92 : x - Step 2: Convert to fraction form
504,572.88/696,309.84 = 278,218.92/x - Step 3: Cross multiply
504,572.88x = 696,309.84 × 278,218.92 - Step 4: Simplify right side
504,572.88x = 193,726,571,670.17 - Step 5: Solve for x
x = 193,726,571,670.17/504,572.88 - Step 6: Final answer
x = 383,941.70
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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.