Finding the Fourth Proportional to 512,811.04, 707,664.34 and 283,364.68
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Solution
The fourth proportional to 512,811.04, 707,664.34 and 283,364.68 is: 391,035.03
Step by Step Solution
- Step 1: Write the proportion equation
512,811.04 : 707,664.34 = 283,364.68 : x - Step 2: Convert to fraction form
512,811.04/707,664.34 = 283,364.68/x - Step 3: Cross multiply
512,811.04x = 707,664.34 × 283,364.68 - Step 4: Simplify right side
512,811.04x = 200,527,079,251.51 - Step 5: Solve for x
x = 200,527,079,251.51/512,811.04 - Step 6: Final answer
x = 391,035.03
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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.