Finding the Fourth Proportional to 834,412.84, 1,251,774.96 and 379,036.06
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Solution
The fourth proportional to 834,412.84, 1,251,774.96 and 379,036.06 is: 568,624.82
Step by Step Solution
- Step 1: Write the proportion equation
834,412.84 : 1,251,774.96 = 379,036.06 : x - Step 2: Convert to fraction form
834,412.84/1,251,774.96 = 379,036.06/x - Step 3: Cross multiply
834,412.84x = 1,251,774.96 × 379,036.06 - Step 4: Simplify right side
834,412.84x = 474,467,846,949.88 - Step 5: Solve for x
x = 474,467,846,949.88/834,412.84 - Step 6: Final answer
x = 568,624.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.