Finding the Fourth Proportional to 916,071.44, 1,374,115.98 and 347,299.58
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Solution
The fourth proportional to 916,071.44, 1,374,115.98 and 347,299.58 is: 520,952.71
Step by Step Solution
- Step 1: Write the proportion equation
916,071.44 : 1,374,115.98 = 347,299.58 : x - Step 2: Convert to fraction form
916,071.44/1,374,115.98 = 347,299.58/x - Step 3: Cross multiply
916,071.44x = 1,374,115.98 × 347,299.58 - Step 4: Simplify right side
916,071.44x = 477,229,902,725.29 - Step 5: Solve for x
x = 477,229,902,725.29/916,071.44 - Step 6: Final answer
x = 520,952.71
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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.