Finding the Fourth Proportional to 512,733.84, 707,586.96 and 283,305.91
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Solution
The fourth proportional to 512,733.84, 707,586.96 and 283,305.91 is: 390,970.04
Step by Step Solution
- Step 1: Write the proportion equation
512,733.84 : 707,586.96 = 283,305.91 : x - Step 2: Convert to fraction form
512,733.84/707,586.96 = 283,305.91/x - Step 3: Cross multiply
512,733.84x = 707,586.96 × 283,305.91 - Step 4: Simplify right side
512,733.84x = 200,463,566,546.23 - Step 5: Solve for x
x = 200,463,566,546.23/512,733.84 - Step 6: Final answer
x = 390,970.04
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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.