Finding the Fourth Proportional to 513,271.13, 708,318.74 and 283,843.94
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Solution
The fourth proportional to 513,271.13, 708,318.74 and 283,843.94 is: 391,707.17
Step by Step Solution
- Step 1: Write the proportion equation
513,271.13 : 708,318.74 = 283,843.94 : x - Step 2: Convert to fraction form
513,271.13/708,318.74 = 283,843.94/x - Step 3: Cross multiply
513,271.13x = 708,318.74 × 283,843.94 - Step 4: Simplify right side
513,271.13x = 201,051,981,937.44 - Step 5: Solve for x
x = 201,051,981,937.44/513,271.13 - Step 6: Final answer
x = 391,707.17
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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.