Finding the Fourth Proportional to 504,701.28, 696,414.24 and 313,644.96
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Solution
The fourth proportional to 504,701.28, 696,414.24 and 313,644.96 is: 432,784.35
Step by Step Solution
- Step 1: Write the proportion equation
504,701.28 : 696,414.24 = 313,644.96 : x - Step 2: Convert to fraction form
504,701.28/696,414.24 = 313,644.96/x - Step 3: Cross multiply
504,701.28x = 696,414.24 × 313,644.96 - Step 4: Simplify right side
504,701.28x = 218,426,816,448.23 - Step 5: Solve for x
x = 218,426,816,448.23/504,701.28 - Step 6: Final answer
x = 432,784.35
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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.