Finding the Fourth Proportional to 639,508.19, 882,537.34 and 363,850.84
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Solution
The fourth proportional to 639,508.19, 882,537.34 and 363,850.84 is: 502,123.29
Step by Step Solution
- Step 1: Write the proportion equation
639,508.19 : 882,537.34 = 363,850.84 : x - Step 2: Convert to fraction form
639,508.19/882,537.34 = 363,850.84/x - Step 3: Cross multiply
639,508.19x = 882,537.34 × 363,850.84 - Step 4: Simplify right side
639,508.19x = 321,111,956,061.15 - Step 5: Solve for x
x = 321,111,956,061.15/639,508.19 - Step 6: Final answer
x = 502,123.29
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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.