Finding the Fourth Proportional to 504,455.13, 696,152.84 and 278,108.73
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Solution
The fourth proportional to 504,455.13, 696,152.84 and 278,108.73 is: 383,792.67
Step by Step Solution
- Step 1: Write the proportion equation
504,455.13 : 696,152.84 = 278,108.73 : x - Step 2: Convert to fraction form
504,455.13/696,152.84 = 278,108.73/x - Step 3: Cross multiply
504,455.13x = 696,152.84 × 278,108.73 - Step 4: Simplify right side
504,455.13x = 193,606,180,827.75 - Step 5: Solve for x
x = 193,606,180,827.75/504,455.13 - Step 6: Final answer
x = 383,792.67
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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.