Finding the Fourth Proportional to 516,780.07, 713,078.36 and 295,982.94
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Solution
The fourth proportional to 516,780.07, 713,078.36 and 295,982.94 is: 408,411.70
Step by Step Solution
- Step 1: Write the proportion equation
516,780.07 : 713,078.36 = 295,982.94 : x - Step 2: Convert to fraction form
516,780.07/713,078.36 = 295,982.94/x - Step 3: Cross multiply
516,780.07x = 713,078.36 × 295,982.94 - Step 4: Simplify right side
516,780.07x = 211,059,029,202.53 - Step 5: Solve for x
x = 211,059,029,202.53/516,780.07 - Step 6: Final answer
x = 408,411.70
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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.